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": ""}
Campanula 3   :*  walter n. koelz  a5terales &f,    g7Z=^ 1219  ^  1951-10-31    dyEf INDIA   $ MAWRYNGKNENG   campanula AA >Y    ~)me@ campanulaceae   :SC pine forest 1537354  $<,]   >4E.M 28957  t  aM EAST KHASI HI*LLS  K E4 L.     X meghalaya
{"catalogNumber": "1537354", "order": "Asterales", "family": "Campanulaceae", "scientificName": "Campanula", "scientificNameAuthorship": "L.", "genus": "Campanula", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "28957", "verbatimEventDate": "1951-10-31", "habitat": "Pine forest", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Meghalaya", "county": "East Khasi Hills", "municipality": "", "locality": "Mawryngkneng", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1219", "maximumElevationInMeters": ""}