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": ""}
   J EAST KHASI HILLS  h 1502263     $ (JACKS.) TH.WOLF  1829 ;  M4wphlang  58   Ji MEGHALAYA  & indica  yq 7623    v d thakur rup chadnd   ^ 1954-04-29  U  ] Potentilla indica   IN THICKET 0*&X     TG POTENTILLA  . INDIA
{"catalogNumber": "1502263", "order": "", "family": "", "scientificName": "Potentilla indica", "scientificNameAuthorship": "(Jacks.) Th.Wolf", "genus": "Potentilla", "subgenus": "", "specificEpithet": "indica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thakur Rup Chand", "recordNumber": "7623", "verbatimEventDate": "1954-04-29", "habitat": "In thicket", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Meghalaya", "county": "East Khasi Hills", "municipality": "", "locality": "Mawphlang", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1829", "maximumElevationInMeters": ""}