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": ""}
 dv$b 1949-08-19   IN FOREST 7JIhn    O embelia      Y&` ericales embelia  e  23557  4   PYNURSLA >     $@ walter n. koelz     1524 7D    et NYRSINACEAE        X@f INDIA 
{"catalogNumber": "", "order": "Ericales", "family": "Myrsinaceae", "scientificName": "Embelia", "scientificNameAuthorship": "", "genus": "Embelia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "23557", "verbatimEventDate": "1949-08-19", "habitat": "In forest", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "", "county": "", "municipality": "", "locality": "Pynursla", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1524", "maximumElevationInMeters": ""}