method api.Keyring.prototype.addFromJsonimport { api } from "https://dotland.deno.dev/x/polkadot@0.2.45/mod.ts"; const { Keyring } = api; addFromJson(json: KeyringPair$Json, ignoreChecksum?: boolean): KeyringPairParametersjson: KeyringPair$JsonoptionalignoreChecksum: booleanReturnsKeyringPair