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": ""}
    b3 contact um herbarium  55          C PHYLLANTHACEAE     (Sw.) Willd. B   R Malpighiales   ~=,dJ1169229    R. Howard & . Briggs N#3/&   < 1950-07-01   ZX! sessiliflora 
{"catalogNumber": "1169229", "order": "Malpighiales", "family": "Phyllanthaceae", "scientificName": "", "scientificNameAuthorship": "(Sw.) Willd.", "genus": "", "subgenus": "", "specificEpithet": "sessiliflora", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R. Howard & W. Briggs", "recordNumber": "55", "verbatimEventDate": "1950-07-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}