Refactor the unstructured text into a valid JSON dictionary. The key names follow the Darwin Core Archive Standard. If a key lacks content, then insert an empty string. Fill in the following JSON structure as required: {"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}
          38SX 544    cactaceae  @V+    I 1948-06-11  <7y 1524 united states 1  Caryophyllales V y    hj  on merriweather ranch, 10 mi. s. of alpine   BAL< 1644471  Opuntia tortispina .T62     Margery S. Anthony 
{"catalogNumber": "1644471", "order": "Caryophyllales", "family": "Cactaceae", "scientificName": "Opuntia tortispina", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Margery S. Anthony", "recordNumber": "544", "verbatimEventDate": "1948-06-11", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "on Merriweather Ranch, 10 mi. s. of Alpine", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1524", "maximumElevationInMeters": ""}