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": ""}
    oU[s$ Contact UM Herbarium   m(VeS j.e. eckenRwaler  B 1299217   Convolvulaceae q8ip=     IPOMOEA HEDERIFOLIA  ira l. wiggins *3*    l. !9/#p       1934-09-28 $%sA^  7499 I$4     mp hederifolia  
{"catalogNumber": "1299217", "order": "", "family": "Convolvulaceae", "scientificName": "Ipomoea hederifolia", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "hederifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "J.E. Eckenwalder", "recordedBy": "Ira L. Wiggins", "recordNumber": "7499", "verbatimEventDate": "1934-09-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}