{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x185034711d9466669c788ad52983035632b950484291e1a6eaef814502eb04f4",
    "signature": "0xb60eea99f33dc5727a0a20561bd65f480059e4b5fd737f3b992710cec7fa1c2a2185246876d223ace98a18c44ee025c3c3584761e3b6b44b12e7b404c6b8e0631c",
    "signer": "0xa738EEE0069867D724b136d8DFc260e3f505EDad",
    "userId": "337739637"
  }
}