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": ""}
 jaA4 POACEAE      c=ontactum erbarium _6y`4   (SUMMERH. & C.E.HUBB.)S.W.L.JACOBS & J.EVERETT 6FN       1967-10-22 &      #~; ROBERT AND RUBY BELCHER 1703719 S</E  rivrland . &J    2+a]1 AUSTROSTIPA   @ nitida poales 1  262 #8X@ 
{"catalogNumber": "1703719", "order": "Poales", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "(Summerh. & C.E.Hubb.) S.W.L.Jacobs & J.Everett", "genus": "Austrostipa", "subgenus": "", "specificEpithet": "nitida", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert and Ruby Belcher", "recordNumber": "262", "verbatimEventDate": "1967-10-22", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Riverland", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}