{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "5905",
    "entityType": "User",
    "nonce": "0x489d6bc75b4e9e13942ab6d13f36660e5e9e093322ebc70d3858a6de9509b900",
    "signature": "0x828be255710155241c5b9eb94593ba77ee63f960a2a4866bf109f2233f2bb9653065da5d50c2a7d12d98b2eb28d48e155d62b4238a72af0d4811b1b93cb0b4001c",
    "signer": "0xf0Cc87B4295872d65aF3f871bAb6F2eD4F688e36",
    "userId": "389958"
  }
}