Example WMAJ specification used in Custom Print Service

issue.json

{
    "mapOptions":{
       "showAttribution":true,
       "extent":{
          "xmin":-7932860.715436569,
          "ymin":-3719320.3145854347,
          "xmax":-7918403.853189512,
          "ymax":-3712673.967959408,
          "spatialReference":{
             "wkid":102100,
             "latestWkid":3857
          }
       },
       "spatialReference":{
          "wkid":4326
       },
       "scale":40000,
       "time":[
          1555470000000,
          1555470000000
       ]
    },
    "operationalLayers":[
       {
          "id":"layer1",
          "title":"layer1",
          "opacity":1,
          "minScale":0,
          "maxScale":0,
          "url":"https://services.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer"
       },
       {
          "id":"drawGraphics_point",
          "opacity":1,
          "minScale":0,
          "maxScale":0,
          "featureCollection":{
             "layers":[
                {
                   "layerDefinition":{
                      "name":"pointLayer",
                      "geometryType":"esriGeometryPoint",
                      "drawingInfo":{
                         "renderer":{
                            "type":"simple",
                            "label":"Puntos del usuario",
                            "description":"Puntos del usuario",
                            "symbol":{
                               "color":[
                                  255,
                                  0,
                                  0,
                                  255
                               ],
                               "size":7.5,
                               "angle":0,
                               "xoffset":0,
                               "yoffset":0,
                               "type":"esriSMS",
                               "style":"esriSMSCircle",
                               "outline":{
                                  "color":[
                                     255,
                                     0,
                                     0,
                                     255
                                  ],
                                  "width":0.75,
                                  "type":"esriSLS",
                                  "style":"esriSLSSolid"
                               }
                            }
                         }
                      }
                   },
                   "featureSet":{
                      "geometryType":"esriGeometryPoint",
                      "features":[
                         {
                            "geometry":{
                               "x":-7928747.093215657,
                               "y":-3714812.3673340026,
                               "spatialReference":{
                                  "wkid":102100,
                                  "latestWkid":3857
                               }
                            }
                         }
                      ]
                   }
                }
             ]
          }
       },
       {
          "id":"drawGraphics_buffer",
          "opacity":1,
          "minScale":0,
          "maxScale":0,
          "featureCollection":{
             "layers":[
                {
                   "layerDefinition":{
                      "name":"polygonLayer",
                      "geometryType":"esriGeometryPolygon",
                      "drawingInfo":{
                         "renderer":{
                            "type":"simple",
                            "label":"Buffers del usuario",
                            "description":"Buffers del usuario",
                            "symbol":{
                               "color":[
                                  255,
                                  0,
                                  0,
                                  26
                               ],
                               "outline":{
                                  "color":[
                                     255,
                                     0,
                                     0,
                                     166
                                  ],
                                  "width":1.5,
                                  "type":"esriSLS",
                                  "style":"esriSLSSolid"
                               },
                               "type":"esriSFS",
                               "style":"esriSFSSolid"
                            }
                         }
                      }
                   },
                   "featureSet":{
                      "geometryType":"esriGeometryPolygon",
                      "features":[
                         {
                            "geometry":{
                               "rings":[
                                  [
                                     [
                                        -7928747.093215657,
                                        -3713812.3673340026
                                     ],
                                     [
                                        -7928718.921224625,
                                        -3713812.7642433103
                                     ],
                                     [
                                        -7928690.771597043,
                                        -3713813.95465616
                                     ],
                                     [
                                        -7928662.666678611,
                                        -3713815.9376275796
                                     ],
                                     [
                                        -7928634.628779535,
                                        -3713818.7115834495
                                     ],
                                     [
                                        -7928606.680156822,
                                        -3713822.274321751
                                     ], 
                                     [
                                        -7928747.093215657,
                                        -3713812.3673340026
                                     ]
                                  ]
                               ],
                               "spatialReference":{
                                  "wkid":102100,
                                  "latestWkid":3857
                               }
                            }
                         }
                      ]
                   }
                }
             ]
          }
       },
       {
          "id":"mapCenter_graphics",
          "opacity":1,
          "minScale":0,
          "maxScale":0,
          "featureCollection":{
             "layers":[
                {
                   "layerDefinition":{
                      "name":"pointLayer",
                      "geometryType":"esriGeometryPoint"
                   },
                   "featureSet":{
                      "geometryType":"esriGeometryPoint",
                      "features":[
                         {
                            "geometry":{
                               "x":-7925632.284313041,
                               "y":-3715997.1412724215,
                               "spatialReference":{
                                  "wkid":102100,
                                  "latestWkid":3857
                               }
                            },
                            "symbol":{
                               "color":[
                                  0,
                                  0,
                                  0,
                                  0
                               ],
                               "size":9,
                               "angle":0,
                               "xoffset":0,
                               "yoffset":0,
                               "type":"esriSMS",
                               "style":"esriSMSSquare",
                               "outline":{
                                  "color":[
                                     0,
                                     0,
                                     0,
                                     0
                                  ],
                                  "width":0.75,
                                  "type":"esriSLS",
                                  "style":"esriSLSSolid"
                               }
                            }
                         }
                      ]
                   }
                }
             ]
          }
       }
    ],
    "exportOptions":{
       "outputSize":[
          1650,
          1275
       ],
       "dpi":150
    },
    "layoutOptions":{
       "titleText":"Mapa Visor",
       "authorText":"Yo",
       "copyrightText":"Copyright 2017",
       "scaleBarOptions":{
          "metricUnit":"esriKilometers",
          "metricLabel":"km",
          "nonMetricUnit":"esriMiles",
          "nonMetricLabel":"mi"
       },
       "legendOptions":{
          "operationalLayers":[
             {
                "id":"drawGraphics_point"
             },
             {
                "id":"drawGraphics_buffer"
             }
          ]
       }
    }
 }