Type:  ...

      "properties": {
        "audiences": {

        "properties": {
          "audiences": {
            "description": "Audiences are the intendend audiences of the token. A recipient of a token must identify themself with an identifier in the list of audiences of the token, and otherwise should reject the token. A token issued for multiple audiences may be used to authenticate against any of the audiences listed but implies a high degree of trust between the target audiences.",

	if m.ExpirationSeconds != nil {
		i = encodeVarintGenerated(dAtA, i, uint64(*m.ExpirationSeconds))
		i--
		dAtA[i] = 0x10
	}
	i -= len(m.Audience)
	copy(dAtA[i:], m.Audience)
	i = encodeVarintGenerated(dAtA, i, uint64(len(m.Audience)))
	i--
	dAtA[i] = 0xa
	return len(dAtA) - i, nil
}

func (m *ServiceList) Marshal() (dAtA []byte, err error) {
	size := m.Size()