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": ""}
  wX MICHIGAN    : cyperaceae  -5.539s21 B~*Lq   c obtusa  130586   y   Simmons' marsh, Vicksburg. x   united states *hm?@    U Fred W. Rapp    42.1079 6yS6N   FT $ 1939-07-13  n n KALAMAZOO    :u (willd.) schult.   eleocharis obtusa C    
{"catalogNumber": "1330586", "order": "", "family": "Cyperaceae", "scientificName": "Eleocharis obtusa", "scientificNameAuthorship": "(Willd.) Schult.", "genus": "", "subgenus": "", "specificEpithet": "obtusa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Fred W. Rapp", "recordNumber": "", "verbatimEventDate": "1939-07-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Kalamazoo", "municipality": "", "locality": "Simmons' marsh, Vicksburg.", "decimalLatitude": "42.1079", "decimalLongitude": "-85.53921", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}