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": ""}
    `.Vl 1957-07-29   ll%F UNITED STATES  uY Cheboygan  ~:T frederick k. sparrow  ]1 BUTOMUS UMBELLATUS  h5 UMBELLATUS     M 1283939  uk  c BUTOMUS    p butomaceae        i?xM l.  
{"catalogNumber": "1283939", "order": "", "family": "Butomaceae", "scientificName": "Butomus umbellatus", "scientificNameAuthorship": "L.", "genus": "Butomus", "subgenus": "", "specificEpithet": "umbellatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Frederick K. Sparrow", "recordNumber": "", "verbatimEventDate": "1957-07-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Cheboygan", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}