{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "2197",
    "entityType": "User",
    "nonce": "0xc92219f400c3e5d647fa8386c59ed1e64b5613d40ad78a9d5ee6b2af3ab16ab1",
    "signature": "0x72e74b51bd6830f5cf24890205de26fad9417c4cb644405e13e495e4f287c084722d4e38d30c6c8e499c46e67faa0747a5e6e5b61e46fa2ad587b1025f7224761c",
    "signer": "0x99b5F46ae3978FB02A645f824e51700B327f1d6e",
    "userId": "97654"
  }
}