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": ""}
  walter n. koelz B  dalbergia 0  FABACEAE =Y     lx 1503352 24895 =Ch    68sLn Fabales   Dalbergia -h7J      610 !23|W  WST GARO HILLS 5   1950-03-24 f=|M      TbW India at forest edge Y  
{"catalogNumber": "1503352", "order": "Fabales", "family": "Fabaceae", "scientificName": "Dalbergia", "scientificNameAuthorship": "", "genus": "Dalbergia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "24895", "verbatimEventDate": "1950-03-24", "habitat": "At forest edge", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "", "county": "West Garo Hills", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "610", "maximumElevationInMeters": ""}