function utilCrypto.jsonEncryptimport { utilCrypto } from "https://dotland.deno.dev/x/polkadot@0.2.23/mod.ts"; const { jsonEncrypt } = utilCrypto; jsonEncrypt(data: Uint8Array,contentType: string[],passphrase?: string | null,): EncryptedJsonParametersdata: Uint8ArraycontentType: string[]optionalpassphrase: string | nullReturnsEncryptedJson