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": ""}
 :3  MICHIGAN [umbs sheet of$ this number says "aspen association"] L   amelanchier ulJ $   j6h6 rosaceae      1917-06-21 n[9-fu  CHEBOYGAN c`  border of douglas lake. 8    VG 1463736   sandy soil. ~       john h. ehlers o/  45.580949 HFt;  sanguinea 1>x  
{"catalogNumber": "1463736", "order": "", "family": "Rosaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Amelanchier", "subgenus": "", "specificEpithet": "sanguinea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "", "verbatimEventDate": "1917-06-21", "habitat": "Sandy soil.", "occurrenceRemarks": "[UMBS sheet of this number says \"Aspen association\"]", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Cheboygan", "municipality": "", "locality": "Border of Douglas Lake.", "decimalLatitude": "45.580949", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}