This testnet sample can be fetch from https://cardano-testnet.blockfrost.io/api/v0/scripts/datum/3519db34d615e9b5bd0ee5a3cbe5bb2546bd9d3e2386677136ec0acfde7c34a4

samplecbor.json

{
   "fields":[
      {
         "fields":[
            {
               "bytes":"bdd5402a608267d8d47e021a61e5c1ae6aa62a1f770579aa38b88143"
            },
            {
               "map":[
                  {
                     "k":{
                        "bytes":""
                     },
                     "v":{
                        "map":[
                           {
                              "k":{
                                 "bytes":""
                              },
                              "v":{
                                 "int":49000000
                              }
                           }
                        ]
                     }
                  }
               ]
            },
            {
               "list":[
                  {
                     "fields":[
                        {
                           "bytes":"bdd5402a608267d8d47e021a61e5c1ae6aa62a1f770579aa38b88143"
                        },
                        {
                           "map":[
                              {
                                 "k":{
                                    "bytes":""
                                 },
                                 "v":{
                                    "map":[
                                       {
                                          "k":{
                                             "bytes":""
                                          },
                                          "v":{
                                             "int":49000000
                                          }
                                       }
                                    ]
                                 }
                              }
                           ]
                        }
                     ],
                     "constructor":0
                  },
                  {
                     "fields":[
                        {
                           "bytes":"6900ecb87083dbbe74a65b1036186bc9c12df2878842d936902f0b51"
                        },
                        {
                           "map":[
                              {
                                 "k":{
                                    "bytes":""
                                 },
                                 "v":{
                                    "map":[
                                       {
                                          "k":{
                                             "bytes":""
                                          },
                                          "v":{
                                             "int":735000
                                          }
                                       }
                                    ]
                                 }
                              }
                           ]
                        }
                     ],
                     "constructor":0
                  }
               ]
            },
            {
               "int":1653325108875
            },
            {
               "bytes":"f4a4a183be0b0da6e7a7548d1b26f2191b1ab7b2d20ac1c7d97b681c"
            }
         ],
         "constructor":0
      }
   ],
   "constructor":0
}