{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "647391197",
    "entityType": "User",
    "nonce": "0x25585633b1ea8a9760981dd6c312e36e09fcb54c539c70906a044a9dbe4350ea",
    "signature": "0x8c35562fe8ba29a198198c5b3d9463730170a53a966eb993b11f92e0fb519bfd1a20f4dcf541beb248db39c6a7067a6ed8bfb8c122a16731c918efcc896173ce1c",
    "signer": "0x593095CdF6998387B0c1bd237B5e2e1f5022C99a",
    "userId": "77401"
  }
}