{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "348665",
    "entityType": "User",
    "nonce": "0x5f69f3bffcdebfe431494b8409ba22b4e3bc03ab05cde564d7ee07e42eb1ba2d",
    "signature": "0xa43e05bed93f08f46f882ec231ec30fd11b4b83761def53c789e7edf215905c158d88a972c3ff12c387d2f321879b688842917a9ca5469b9df3be2eee47e2a871c",
    "signer": "0x4A868B813a8F5D7C187F9f07a2D7e7A24355Cf3f",
    "userId": "185302"
  }
}