{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1606",
    "entityType": "User",
    "nonce": "0x50e4d4cac2934841a04996dd3c09ff3d6fe61b4d0682a2f46f02f5202595218b",
    "signature": "0xc873d766ccecd34fe18b5b53465272acf821de265de52313db063555852381ab15fb96e4c84255d11de4eed4a6df517d6c1c7a8bb8111b785eafff37f1add6151c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}