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": ""}
    U63( 1927-06-25 PO7ENTLLA ARGENTEA 4    WdrS L.    FRANCIS GROVE, 5 MI. N OF SANFORD rosaceae *.,2   Midland 17(1M   S 1196784  8 UNITED STATES ROSALES %#h   R4=w rh.r. dreisbach  43.745465 ?UGy    zs= 4929  i g5 barbara ertter & j.l. reveal  9 MICHIGAN   -84.380221 q   < ARGENTEA    Xq/ Sandy soil.
{"catalogNumber": "1196784", "order": "Rosales", "family": "Rosaceae", "scientificName": "Potentilla argentea", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "argentea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Barbara Ertter & J.L. Reveal", "recordedBy": "R.R. Dreisbach", "recordNumber": "4929", "verbatimEventDate": "1927-06-25", "habitat": "Sandy soil.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Midland", "municipality": "", "locality": "Francis Grove, 5 mi. N of Sanford", "decimalLatitude": "43.745465", "decimalLongitude": "-84.380221", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}