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": ""}
 `  (buch.-ham.) wall. ex g. don  MEGHALAYA ]=,       /W 1219  19U52-08-07  `@  EAST KHASI HILLS ttI[    WQ  6 3008  C! india  = 1521317 Walter N. Koelz  9xq    ~tTv gentianales  APOCYNACEAE &9 l    HOLARRHENA PUBESCENS y)   Md CHERRAPUNJEE  WzYIW PUBESCENS  Holarrhena d [Gw 
{"catalogNumber": "1521317", "order": "Gentianales", "family": "Apocynaceae", "scientificName": "Holarrhena pubescens", "scientificNameAuthorship": "(Buch.-Ham.) Wall. ex G. Don", "genus": "Holarrhena", "subgenus": "", "specificEpithet": "pubescens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "30508", "verbatimEventDate": "1952-08-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Meghalaya", "county": "East Khasi Hills", "municipality": "", "locality": "Cherrapunjee", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1219", "maximumElevationInMeters": ""}