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": ""}
  y 1479351   4Ct8 1988-06-21   652 htX  Lamiales gJ`s   Bignoniaceae  3_     MICHIGAN Y(    Catalpa a       . $? united states -84.66602 `!D  PETER W. FRITSCH x8   (warder) warder ex engelm.   Y;   h:iHG rare in disturbed ground (old rr tracks). speciosa 9b4 <  
{"catalogNumber": "1479351", "order": "Lamiales", "family": "Bignoniaceae", "scientificName": "", "scientificNameAuthorship": "(Warder) Warder ex Engelm.", "genus": "Catalpa", "subgenus": "", "specificEpithet": "speciosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Peter W. Fritsch", "recordNumber": "652", "verbatimEventDate": "1988-06-21", "habitat": "Rare in disturbed ground (old RR tracks).", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-84.66602", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}