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": ""}
sindh x  GENTIANALES QO.j<  1934-03-02 (6  nerium indicum z   APOCYNACEAE FV    Tatta [Thatta] t2  pakist4n ;-n      WALTER N. KOELZ lXW  NERIUM xh+Vq   Thatta r%&    1521347 Ff~y     7585 2rE    Xj2B INDICUM
{"catalogNumber": "1521347", "order": "Gentianales", "family": "Apocynaceae", "scientificName": "Nerium indicum", "scientificNameAuthorship": "", "genus": "Nerium", "subgenus": "", "specificEpithet": "indicum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "7585", "verbatimEventDate": "1934-03-02", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Pakistan", "stateProvince": "Sindh", "county": "Thatta", "municipality": "", "locality": "Tatta [Thatta]", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}