{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xb8da8478ac543de4af3e79aca8d4d85e5860b9e2ca4d604da721d3463c3235a3",
    "signature": "0x99d69c2862d379b572a336fb1b93418f904a4e3501f8adf27044d1bbd74fb3d12d98a4e7231b433a44a5f213594f084a049bf8729d0c4219946bb7ff6f1ef54a1b",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}