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": ""}
   Vd1S 1506148 1949-04-11 0  2   WALL. EX HIERN !  Meghalaya M@La  PUNDUANA f!47P  SAPINDACEAE 3       Sapindales  T+  AESCULUS  AESCULUS PUNDUANA W 3     koelz assam expedition >g  thak&ur rup chand p   India X  1403 U#  914  (n/     ,)N% east khasi hills umran %3qf   oo. = IN FOREST EDGE 
{"catalogNumber": "1506148", "order": "Sapindales", "family": "Sapindaceae", "scientificName": "Aesculus punduana", "scientificNameAuthorship": "Wall. ex Hiern", "genus": "Aesculus", "subgenus": "", "specificEpithet": "punduana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thakur Rup Chand", "recordNumber": "1403", "verbatimEventDate": "1949-04-11", "habitat": "In forest edge", "occurrenceRemarks": "Koelz Assam Expedition", "associatedTaxa": "", "country": "India", "stateProvince": "Meghalaya", "county": "East Khasi Hills", "municipality": "", "locality": "Umran", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "914", "maximumElevationInMeters": ""}