{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54145",
    "entityType": "User",
    "nonce": "0xfef0a7951809054f08ae9f81e5f3f52484fb766f77b115150b4879af603d5137",
    "signature": "0x8faa3e4c4d1cd825137add6bf8e889c990c4e612fa334e6ff9bdb2d44f19afee4bb545d23b806ce000a4e2693a9837aa7d51f32a5d74ebaa306a658767c3c6ce1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}