Function getSubAccountSignV1InstructionDataCodec

Returns {
    codec: VariableSizeCodec<
        SubAccountSignV1InstructionDataArgs,
        SubAccountSignV1InstructionData,
    >;
    decoder: VariableSizeDecoder<SubAccountSignV1InstructionData>;
    encoder: VariableSizeEncoder<SubAccountSignV1InstructionDataArgs>;
    payloadEncoder: VariableSizeEncoder<
        Omit<SubAccountSignV1InstructionDataArgs, "authorityPayload">,
    >;
}