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": ""}
  x% Bigelow  =m caryophyllaceae   aUSe 46.072946  v3 -86.499164 GROWING AROUND EDGE OF LAKE mY   P&g 1977-07-27  7vf  Caryophyll4les   borealis AZl  1472460 ws   #!OqU Stellaria  AG:`+ Delta  L DON HENSON   = BEAR LAKE. SÂ½ SÂ½ SEC. 36, T43N-R18W    MICHIGAN ?=   806 @    / united states 
{"catalogNumber": "1472460", "order": "Caryophyllales", "family": "Caryophyllaceae", "scientificName": "", "scientificNameAuthorship": "Bigelow", "genus": "Stellaria", "subgenus": "", "specificEpithet": "borealis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Don Henson", "recordNumber": "806", "verbatimEventDate": "1977-07-27", "habitat": "Growing around edge of lake", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Delta", "municipality": "", "locality": "Bear Lake. S\u00c2\u00bd S\u00c2\u00bd sec. 36, T43N-R18W", "decimalLatitude": "46.072946", "decimalLongitude": "-86.499164", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}