{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf90f8c3167ac6115a41100292dbede0a70716e00e0a160fecf244b3182488503",
    "signature": "0x4a7948277fd35896e6f625bc4eecf6a475a22228d95ff4aa8624c44c871c0d4f7225f74ee104c9a65b15a994c8e6c50be250ec57bc5f8a3f1d3bb0bcaabd9d5e1b",
    "signer": "0x724B74153EA55dBD831703448ecb062d323aB065",
    "userId": "572024306"
  }
}