{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "172557",
    "entityType": "User",
    "nonce": "0xb0c1e8a647c33274c62404a43b45ab6a17b5dd77fb53c11d4934ed9b03f0254d",
    "signature": "0xa5a05d8d113e01a660b988ebd70b1b13bafeca4e2543327b03d8b648062259224914b1b6f6722c6367760ecb214994d4899897a9e6daafe6aec60840662b60561b",
    "signer": "0x4A868B813a8F5D7C187F9f07a2D7e7A24355Cf3f",
    "userId": "185302"
  }
}