{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "19489",
    "entityType": "User",
    "nonce": "0x6ed5d8dc94a034951a2307e1cc79ef16b00d2befc2e914ea38df0d7646e19b9c",
    "signature": "0xa202e8a317037ad421871896762de9e60bd1e5c0b73fd2390fc286fb93e08ea32da409c7330159a5e2d228f724c0adbc6a2b6348d86d0a68b589d9b4cb30dffd1c",
    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}