{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "12462",
    "entityType": "User",
    "nonce": "0x38aee45c148c1554087e88146e525ec513d00d0635fbdfecfdd5745914b66a9e",
    "signature": "0xf37b459b69a8ac968b5cef4c9e0fe3dd4866231a4c2767dc6b19d86f1d9aff7240af80e216f2587d8e82bc867a30b49a0da9422c0fe17ee596d9e0cd1b6aab5f1b",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}