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": ""}
1554 J3(L   iA D1970-08-16   ^  1484262     %@|G MICHIGAN       6 jv- United States   y X cyperaceae    FZQ 43.360079      s*e gary j. pierce cyperus subsquarrosus eA#=   `2 muskegon    d K-m subsquarrosus
{"catalogNumber": "1484262", "order": "", "family": "Cyperaceae", "scientificName": "Cyperus subsquarrosus", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "subsquarrosus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Gary J. Pierce", "recordNumber": "1554", "verbatimEventDate": "1970-08-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Muskegon", "municipality": "", "locality": "", "decimalLatitude": "43.360079", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}