{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "841756759",
    "entityType": "User",
    "nonce": "0x05e67adafb5c26bb0a43cca1320aaab6e7846328121a07d03d931f568813430b",
    "signature": "0xe1630e9a9d03453f3e723523e06298b4525ee500c21ea9ef93facb66ab91f0bc0489ed8bb3658e1e0d8fe5f9cabf3ea7edda8cb84062767aa66c79e400d1a9a41b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}