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": ""}
 E4ST KHASI HILLS T^Sv|   ;] e SENNA Ã FLORIBUNDA In open  !+D   L thakur rup chand      Senna i     46PtA 1504169  8 5795  ã floriunda W@Zyb         1219 )q  MEGHALAYA ~7J  (CAV.) H.S. IRWIN & BARNEBY =k : 
{"catalogNumber": "1504169", "order": "", "family": "", "scientificName": "Senna \u00c3\u0097 floribunda", "scientificNameAuthorship": "(Cav.) H.S. Irwin & Barneby", "genus": "Senna", "subgenus": "", "specificEpithet": "\u00c3\u0097 floribunda", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thakur Rup Chand", "recordNumber": "5795", "verbatimEventDate": "", "habitat": "In open", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Meghalaya", "county": "East Khasi Hills", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1219", "maximumElevationInMeters": ""}