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": ""}
    V 1949-11-30  ;H2Z Walter N. Koelz india /_Ux   |]nb  Assam     pvU~ 24252  bamanigaon [v,C   marsh in high dense grass ^s   Fjf M 1535448 LAMIALES ! S_   hygrophila @Uk      acanthaceae  3?   q KW HYGROPHILA  kamrup ?_8q 
{"catalogNumber": "1535448", "order": "Lamiales", "family": "Acanthaceae", "scientificName": "Hygrophila", "scientificNameAuthorship": "", "genus": "Hygrophila", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "24252", "verbatimEventDate": "1949-11-30", "habitat": "Marsh in high dense grass", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Assam", "county": "Kamrup", "municipality": "", "locality": "Bamanigaon", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}