{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "443330",
    "entityType": "User",
    "nonce": "0xd1e47ae008755ac8c02333af4c36ad79c4cd1a5a25166b14a1ad3f7462bebafc",
    "signature": "0xe0c17790e82ffe99e17996391aac6b759b3e15a83348b3e16260aad550656cff206e170e6d65047aa7ece6a67dcef6ca0208c3983586c54f17832871e459c0a11b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}