{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xa0da900fc343162d67287c0c5470114a1e034a0fb7e34878e34d1f3d765fe058",
    "signature": "0x3eb597a0b51f543d671ff3dffe3ddf0cb8833374e03a7b8bd9eb36447c10fb35167cb72c4440c4aac84845c16041704c4279f33c42b85b327cfc76253e2e964e1c",
    "signer": "0x1788E4C39d3326e598F16767C69826869594E359",
    "userId": "116504833"
  }
}