{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1722125",
    "entityType": "User",
    "nonce": "0x16b62a4553afd3bd05999b644eaecf4eaba599e67a3f1dee060f9c055537e5ce",
    "signature": "0xac331e70f286ab185589ecc3d708f8568dafd463a768bd16b57f34cc961ddb03673b9097a67573eae0e239a792096353f34e53b49abf43ef9e4d173f8e9b9efa1c",
    "signer": "0x5Bc05b706D3864d34607f61EB1cb128EEf4453b8",
    "userId": "673773101"
  }
}