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": ""}
1503938 ~-y  MUCUNA 3Cr  FABACEAE j14Z   F 4723   ,K7  climber in forest   Nd 1951-09-15  1219 vg<  MUCUNA ?7   EL EAST KHASI HILLS  MAWRYNGKNENG _g ;  MEGHALAYA Q     B~+ thakur rup chand   >Q51 adans.    u8 India    u^ fabales   
{"catalogNumber": "1503938", "order": "Fabales", "family": "Fabaceae", "scientificName": "Mucuna", "scientificNameAuthorship": "Adans.", "genus": "Mucuna", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thakur Rup Chand", "recordNumber": "4723", "verbatimEventDate": "1951-09-15", "habitat": "Climber in forest", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Meghalaya", "county": "East Khasi Hills", "municipality": "", "locality": "Mawryngkneng", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1219", "maximumElevationInMeters": ""}