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": ""}
30573    walter n. koelz &,uXY   Gt Mangifera syvatica 1505763 R        Fjry INDIA   Pdu cherrapunjee   )TO E Anacardiaceae     F     1952-07-15 Sapindales 8 (  East Khasi Hills ]   B.  meghalaya    o[ PN ROXB.  Mangifera 8  H  sylvatica XS# 
{"catalogNumber": "1505763", "order": "Sapindales", "family": "Anacardiaceae", "scientificName": "Mangifera sylvatica", "scientificNameAuthorship": "Roxb.", "genus": "Mangifera", "subgenus": "", "specificEpithet": "sylvatica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "30573", "verbatimEventDate": "1952-07-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Meghalaya", "county": "East Khasi Hills", "municipality": "", "locality": "Cherrapunjee", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}