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": ""}
      1974-06-02 r    echeveria BMIm       oQ CRASwSULACEAE 74049 wA   A, very succulent; 1-4 stems from rhizome, pin8kish red; petal bases salmon-red, tips orange yellow; frequent in full shade on mossy outcrops; salt added to aid drying          
{"catalogNumber": "", "order": "", "family": "Crassulaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Echeveria", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "74049", "verbatimEventDate": "1974-06-02", "habitat": "", "occurrenceRemarks": "very succulent; 1-4 stems from rhizome, pinkish red; petal bases salmon-red, tips orange yellow; frequent in full shade on mossy outcrops; salt added to aid drying", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}