{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "283633767",
    "entityType": "User",
    "nonce": "0x03b34bcc4c7c6f0f6c54c6769898f1caf30e67bb59a23b7043da430cab3fe505",
    "signature": "0x87f86fb7ca2a77122e8fb470e3d5be3b6c28d8ed7b96d73b15127646ab662684165a07100e0f2f754450df0536629006f2df744d584069e4e9efd4d768da04ef1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}