curl --request POST \
  --url 'https://scan.sv-1.global.canton.network.sync.global/api/scan/v2/updates' \
  --header 'Content-Type: application/json' \
  --data '{"after":{"after_migration_id":0,"after_record_time":"string"},"page_size":0,"daml_value_encoding":"compact_json"}'

{
  "transactions": [
    {}
  ]
}