{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "14223",
    "entityType": "User",
    "nonce": "0xfd4f83fb560d319e62110d64315498c333d7c3824568cc4939208749a879bb6b",
    "signature": "0x9e0107cf51784c3d5f4c08d803c6b5259ccf1a334cdd0b679928d064ed19a56f11e4addc3461a197aa82754f942f30c494103b0b05814a06e2a6bfbec14466011b",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}