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": ""}
  X 4 filao spathulata    6^_Bu JA MMU AND KASHMIR     krT] Asterales 1933-07-28   ?    N4Q) 1538593  JvY_ spathulata   B< ,? india  RABILA, MULBEXH, ADAKH !  H    C Walter N. Koelz  =z?fW asterace4e           
{"catalogNumber": "1538593", "order": "Asterales", "family": "Asteraceae", "scientificName": "Filago spathulata", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "spathulata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "", "verbatimEventDate": "1933-07-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Jammu and Kashmir", "county": "", "municipality": "", "locality": "Rabila, Mulbekh, Ladakh", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}