{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951644728",
    "entityType": "User",
    "nonce": "0x7bfd1c6d9cb18cff110bacfc4610ad3daf3fedead4617dc57aad3e2fe2736fbe",
    "signature": "0x78de90fb3cb4c90f474ea7bf118387ed8bba1315d12d7449d20ed0ccc7f69ff37d1ffecf18dda28c3de1b9b15aa0d69efab27ae5a4eb111575ebd6aa91cf52d61c",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}