Example email campaign (slateJS)

content.json

{
  "object": "value",
  "version": "0.47.9",
  "document": {
    "data": {},
    "nodes": [
      {
        "data": {},
        "type": "paragraph",
        "nodes": [
          { "text": "Hi ", "marks": [], "object": "text" },
          {
            "data": { "key": "contact.firstname", "text": "First name" },
            "type": "placeholder",
            "nodes": [
              { "text": "%contact.firstname%", "marks": [], "object": "text" }
            ],
            "object": "inline"
          },
          { "text": ",", "marks": [], "object": "text" }
        ],
        "object": "block"
      },
      {
        "data": {},
        "type": "paragraph",
        "nodes": [
          { "text": "Do you remember Publist?", "marks": [], "object": "text" }
        ],
        "object": "block"
      },
      {
        "data": {},
        "type": "paragraph",
        "nodes": [{ "text": "", "marks": [], "object": "text" }],
        "object": "block"
      },
      {
        "data": {
          "file": {
            "size": 683620,
            "uuid": "001852d8-542e-4578-a479-18666a554b44",
            "effects": [],
            "version": 2,
            "filename": "CleanShot 2020-09-23 at 18.16.33 (1).png",
            "mime_type": "image/png",
            "original_width": 1198,
            "original_height": 3076
          },
          "href": "",
          "width": "100%",
          "layout": "contained",
          "width_factor": "100%"
        },
        "type": "image-block",
        "nodes": [{ "text": "", "marks": [], "object": "text" }],
        "object": "block"
      }
    ],
    "object": "document"
  }
}