Changes to Create a delegation signer record

the response property data became required for the status 201

the response property data/algorithm became required for the status 201

the response property data/created_at became required for the status 201

the response property data/digest became required for the status 201

the response property data/digest_type became required for the status 201

the response property data/domain_id became required for the status 201

the response property data/id became required for the status 201

the response property data/keytag became required for the status 201

the response property data/public_key became required for the status 201

the response property data/updated_at became required for the status 201

the response property errors became required for the status 400

the response property message became required for the status 400

the response property message became required for the status 404

the response property data became optional for the status 201

the response property data/algorithm became optional for the status 201

the response property data/created_at became optional for the status 201

the response property data/digest became optional for the status 201

the response property data/digest_type became optional for the status 201

the response property data/domain_id became optional for the status 201

the response property data/id became optional for the status 201

the response property data/keytag became optional for the status 201

the response property data/public_key became optional for the status 201

the response property data/updated_at became optional for the status 201

the response property errors became optional for the status 400

the response property message became optional for the status 400

the response property message became optional for the status 404