curl --request POST \
  --url 'https://example.com/registry/transfer-instruction/v1/{transferInstructionId}/choice-contexts/reject' \
  --header 'Content-Type: application/json' \
  --data '{"meta":{},"excludeDebugFields":false}'

{
  "choiceContextData": {},
  "disclosedContracts": [
    {}
  ]
}