AssetMetadata: AssetIds & {
    decimals?: number;
    existentialDeposit?: string;
    externalIds: AssetIds[];
    isSufficient?: boolean;
    multiLocation?: Record<string, any> | AnyJson;
    name?: string;
    raw: Record<string, any>;
    sourceId?: AssetIds;
    symbol?: string;
    updated: number;
}

The asset metadata.