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": ""}
    fDB 1966-06-28  apiales -dx   6Q J.M.COULT. & ROSE      hb arracacia  !x4 jerzyrzedowski rigida OtFj     G. - 22557    1272632 ,M_ 7  apiaceae 5z   Arrazcacia rigida !R  jerzy rzedowski b+a-S   7P mexico  
{"catalogNumber": "1272632", "order": "Apiales", "family": "Apiaceae", "scientificName": "Arracacia rigida", "scientificNameAuthorship": "J.M.Coult. & Rose", "genus": "Arracacia", "subgenus": "", "specificEpithet": "rigida", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Jerzy Rzedowski", "recordedBy": "Jerzy Rzedowski", "recordNumber": "22557", "verbatimEventDate": "1966-06-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Mexico", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}