{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa98f2a2887ae0c4c3831802d48cfd9fe4bae1972d1614bf9a106c5ae1528c7fb",
    "signature": "0x499d2946de607fa7910caf96ce39b6a727806c7bb4a6076aa475454a85ac92b3595085db72571094a5cfd2fe57615ec882a37a96280f70a127538798ccf605ee1c",
    "signer": "0x80BaBdd7604de656E45b52EFA056548D7C078B36",
    "userId": "790313179"
  }
}