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": ""}
united states lx    Stellaria rubra >^ T   CZ~x=l MIDDLESEX   [FG^ 1862    G W.J. BEAL    [`* stellaria grpm 42087 &(  SCOP. +g[ @   s.n. $x       ; Caryophyllaceae  _ caryophyllalPes  v2  massachusetts  ?RFN 1498598  rubra N/jC  
{"catalogNumber": "1498598", "order": "Caryophyllales", "family": "Caryophyllaceae", "scientificName": "Stellaria rubra", "scientificNameAuthorship": "Scop.", "genus": "Stellaria", "subgenus": "", "specificEpithet": "rubra", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "W.J. Beal", "recordNumber": "s.n.", "verbatimEventDate": "1862", "habitat": "", "occurrenceRemarks": "GRPM 42087", "associatedTaxa": "", "country": "United States", "stateProvince": "Massachusetts", "county": "Middlesex", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}