{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x1a605babf25ecfe2890a0798a945efa16e0a8572553e2b34692eda91ad26c4d6",
    "signature": "0xe734e6faef6230b93a9cf24240d60493678042f612b1567167110dae2eb980ca27d73b2e43407f06d5e16f70368f3fbcb5085f52923d68f8ce282df1741d66d81b",
    "signer": "0xF623b3A237501F7AD70f3E063969743b886B5067",
    "userId": "563864758"
  }
}