{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "787961301",
    "entityType": "User",
    "nonce": "0x7f9cd83c11e61821b07000beaa90aac7e415eb0ff4efa48204ee517c0b0f5987",
    "signature": "0x44d9bf4922a6fdbac9e64ab159ce5adad88111f7bb1dd99b0e2260ecbe47a9f45418c4f16dc07f832df7e33ed0f5d273c0f3ea7d8c07fc15e8de406c89e8d8191c",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}