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": ""}
 ischaemum ^<  Anton A. Reznicek  5    +K united states    bd digitaria  1  allegan state game area. 3 miles s of hamilton. 2000' s of 130th ave., 25' e of 47th st.      -86.0061111        DIGITARIA ISCHAEMUM vk=J  42.6315833 qL*  Michigan Od Q2  2017-08-23 X   ~:SAl COMMON  2 1281   ~O3Y 1556094  
{"catalogNumber": "1556094", "order": "", "family": "", "scientificName": "Digitaria ischaemum", "scientificNameAuthorship": "", "genus": "Digitaria", "subgenus": "", "specificEpithet": "ischaemum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "", "recordNumber": "1281", "verbatimEventDate": "2017-08-23", "habitat": "", "occurrenceRemarks": "Common", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Allegan State Game Area. 3 miles S of Hamilton. 2000' S of 130th Ave., 25' E of 47th St.", "decimalLatitude": "42.6315833", "decimalLongitude": "-86.0061111", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}