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": ""}
  e F Walter N. Koelz       (Kurz) Kosterm. 9L-(T   1507854 ip+       yUO KHASI HILLS, ALT. 4000 FT. india  uq~C    assam j|   uz MAMMEA NERVOSA Calophyllaceae  y     F?l Cherrapu njee nervosa `T.di   
{"catalogNumber": "1507854", "order": "", "family": "Calophyllaceae", "scientificName": "Mammea nervosa", "scientificNameAuthorship": "(Kurz) Kosterm.", "genus": "", "subgenus": "", "specificEpithet": "nervosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Assam", "county": "Cherrapunjee", "municipality": "", "locality": "Khasi Hills, alt. 4000 ft.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}