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| 1520574  p~ 1951-05-15  a*b[l Lamiales MUCRONATA i  latifolia P6    var. Cun6&  laikul (f ^6    PREMN0A LATIFOLIA VAR. MUCRONATA lk8 [  Assam  z C0  premna b     ;t* walter n. koelz  INDIA %Hv/  CACHAR 1  610 n     lamiaceae (6] 
{"catalogNumber": "1520574", "order": "Lamiales", "family": "Lamiaceae", "scientificName": "Premna latifolia var. mucronata", "scientificNameAuthorship": "", "genus": "Premna", "subgenus": "", "specificEpithet": "latifolia", "verbatimTaxonRank": "var.", "infraspecificEpithet": "mucronata", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "", "verbatimEventDate": "1951-05-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Assam", "county": "Cachar", "municipality": "", "locality": "Laikul", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "610", "maximumElevationInMeters": ""}