ServiceErrorCode
ServiceErrorCode: "service/unknown-error" | "service/not-initialized" | "service/service-halted" | "service/master-wallet-sync-failed" | "app/invalid-app-name" | "app/invalid-app-type" | "app/app-not-found" | "app/app-disabled" | "app/create-user-failed" | "app/user-not-found" | "app/invalid-withdraw-address" | "request/unauthorized" | "request/invalid-params" | "transfer/invalid-amount" | "transfer/insufficient-funds"