{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x45f446541f7ea28c3328fbc8b21c18969eefe86490420076315747d283a7d6c4",
    "signature": "0x2240f346f60bb5663285277eccd3e5798302b9069bd7e5094e541d3bf956978732b490d6e6932f5f6bf1138d81ec864309a434e860134a44540960a0b5b6a6b21b",
    "signer": "0x9db84b5af18534d8Ee180c90E1377f813B5Ec313",
    "userId": "741417198"
  }
}