{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb4dbd2c2a1d67a3b8cb33585e9a32cd1bf07afddb0d25f0cceb261a8b7a5373e",
    "signature": "0xac550065c250250ec6815d3bc4c8731d7c2e72172558b07e3d3d3efab4a4e56c00e5769eadb968a7c293a559febccd09a3212fd749b16cacabe9a5730a8aa2e41c",
    "signer": "0x14E9E2DE68f02AA0cD2B7566Dd9B7A0993b2D124",
    "userId": "832018853"
  }
}