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": ""}
   1411281 kR.   contact um herbarium 1   J 17994    s=`x Wilbur H. Duncan GEORGIA i     hM3F poaceae    (l.) Iscop.  +`  DIGITARIA SANGUINALIS  w  digitaria [Tu  United States %  Mcintosh $   H7      MR 1954-06-23  _` SANGUINALIS
{"catalogNumber": "1411281", "order": "", "family": "Poaceae", "scientificName": "Digitaria sanguinalis", "scientificNameAuthorship": "(L.) Scop.", "genus": "Digitaria", "subgenus": "", "specificEpithet": "sanguinalis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Wilbur H. Duncan", "recordNumber": "17994", "verbatimEventDate": "1954-06-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Georgia", "county": "Mcintosh", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}