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": ""}
   22987 [@   6 ON BOULDER IN FOREST  3o  1949-06-16 PUMILUS wP  ^   (D.Don) Engl. & K.Krause d   avV Nongphoh [Nongpo], Khasi Hills  1oO Araceae    610 m~-i    kK Jr 1489644  &: alismatales RI-BHOI -A   ky23c INDIA   (|rvr meghalaya  o Csv Walter N. Koelz Gonatanthus pumilus `#     Gonatanthus 75 O, 
{"catalogNumber": "1489644", "order": "Alismatales", "family": "Araceae", "scientificName": "Gonatanthus pumilus", "scientificNameAuthorship": "(D.Don) Engl. & K.Krause", "genus": "Gonatanthus", "subgenus": "", "specificEpithet": "pumilus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "22987", "verbatimEventDate": "1949-06-16", "habitat": "On boulder in forest", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Meghalaya", "county": "Ri-Bhoi", "municipality": "", "locality": "Nongphoh [Nongpoh], Khasi Hills", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "610", "maximumElevationInMeters": ""}