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": ""}
United States Fq4Fb   QJk 5 Heinrich K.D. Eggert     M607 1874-09-09    _U FILIFORMIS    POALES A   cR:b6 Contact UM Herbarium   1701 *G     digitaria eaQD!  (l.) koeler a       POACEAE =fSoU   ZiC digitaia filiformis
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Digitaria filiformis", "scientificNameAuthorship": "(L.) Koeler", "genus": "Digitaria", "subgenus": "", "specificEpithet": "filiformis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Heinrich K.D. Eggert", "recordNumber": "1701", "verbatimEventDate": "1874-09-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}