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": ""}
1506331 U     =On impatiens meghalaya wO   TR| mawphlang  6420   K   ERICALS %N  TURCZ. Xo   f 1829   OC salicifolia   india *  Thakur Rup Chand ?bg  East Khasi Hills D^l  Grassland z+>  Impatiens salicifolia r    e balsaminaceae   Fd|Mf 1952-08-20  
{"catalogNumber": "1506331", "order": "Ericales", "family": "Balsaminaceae", "scientificName": "Impatiens salicifolia", "scientificNameAuthorship": "Turcz.", "genus": "Impatiens", "subgenus": "", "specificEpithet": "salicifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thakur Rup Chand", "recordNumber": "6420", "verbatimEventDate": "1952-08-20", "habitat": "Grassland", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Meghalaya", "county": "East Khasi Hills", "municipality": "", "locality": "Mawphlang", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1829", "maximumElevationInMeters": ""}