{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1511688",
    "entityType": "User",
    "nonce": "0x152d23e0c0d4852861dc3d35d61c2f54667edc95cc9cbd1466c444eb74da5135",
    "signature": "0x7fc5478323a821cef093230871bebb9a95050bd278a8181eef2abf574934a2234a7ccea63fc5cbce3de9388127172a2fb74fafddfb55e8591ec9ee2694d099d61c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}