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": ""}
  b= WALL.  _bm+b 1930-07-17 HIMACHAL PRADESH LUi7  campanula coloraa =|NyS  Campanulaceae u  1537401 u 6j   s7!L ASTERALES  Garden wall #43]     e2? 3 Lahaul and Spiti   7 424    _  kyelang, lahoul  6e campanula     Ft_P colorata   SVEd  Walter N. Koelz  b[SS India  pD  3109
{"catalogNumber": "1537401", "order": "Asterales", "family": "Campanulaceae", "scientificName": "Campanula colorata", "scientificNameAuthorship": "Wall.", "genus": "Campanula", "subgenus": "", "specificEpithet": "colorata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "424", "verbatimEventDate": "1930-07-17", "habitat": "Garden wall", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Himachal Pradesh", "county": "Lahaul and Spiti", "municipality": "", "locality": "Kyelang, Lahoul", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "3109", "maximumElevationInMeters": ""}