{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xdc691278af4c9d4e37977ae06788ff9181a6d720a33e58ea96ffc9db694e67b7",
    "signature": "0x55e097bff632b29215d18d21b6c666e1e3acb0ba5f397c8e9a37f01bad43aa4a4cd59abee0a4b3481b43b09df22aacf8cba9b81067272a7870b15b7fb5b190961c",
    "signer": "0xcbB10338Bd27D90284f9690bf10E523b1390FcDb",
    "userId": "414663508"
  }
}