Persons List (Object)
A JSON object that represents a comment of a segment or document.
PROPERTIES
The object name is "persons". Each key is an underscore-prefixed person/user ID.
"persons": {
    "_7": { person #7 ... }
    "_22": { person #22 ... }
} A person's properties are:
| nm | Full name of person | string | 
| id | Id of person. | int | 
| cnm | Company of person | string | 
| cid | Company id | int | 
EXAMPLES
This is how an object containing two people may look like:
        CODE
    
    "persons": {
    "_7": {
      "id": 7,
      "nm": "Stephan",
      "cid": 1,
      "cnm": "Tradubee"
    },
    "_3": {
      "id": 3,
      "nm": "Thierry",
      "cid": 1,
      "cnm": "Freelancebee"
    }
