{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x62c1f19d855aaf9169f44c978f4a17ba33a3e0db80483077792583f0e74481d8",
    "signature": "0xc36dd8ba816dbc49950068f51feccd05c0a69f799f7306441bab2c51e92f36de654c434b699911a87ee1509fabcd2a839b650a57aa4754b4815ca46bd7827b601c",
    "signer": "0xD3e2a2Aeb739263055A5ec4484257b4927578D03",
    "userId": "117667088"
  }
}