{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831499615",
    "entityType": "User",
    "nonce": "0xfd4cce97186049f5527f80ae96e4acc06dd672b4fd505cc3f9977aa9225a1ebb",
    "signature": "0x0ea13b64cffeaaedc00e84801aa6cfdd99564aa3317e8dad4fcd452747a064a53cd61358460e5a9f17f9f19d777a8ba7a6e8ba6a2dbdba1153476902dc3adcdc1b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}