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": ""}
   I.S 1539860  +MRt+ 1932-05-15 LAHAUL AND SPITI M z    Q  M  FARFARA  spring 58n 3  TUSSILAGO FARFARA bA   a( 3200 tussilago uO37  kardang, bhaga valley, lahul, kangra *`     Himachal Pradesh  sug   gPFpO thakur rup chand     XJ^e l.  633 aLpLZ  asterales q M  India `r   PG( asteraceae
{"catalogNumber": "1539860", "order": "Asterales", "family": "Asteraceae", "scientificName": "Tussilago farfara", "scientificNameAuthorship": "L.", "genus": "Tussilago", "subgenus": "", "specificEpithet": "farfara", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thakur Rup Chand", "recordNumber": "633", "verbatimEventDate": "1932-05-15", "habitat": "Spring", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Himachal Pradesh", "county": "Lahaul and Spiti", "municipality": "", "locality": "Kardang, Bhaga Valley, Lahul, Kangra", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "3200", "maximumElevationInMeters": ""}