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": ""}
 TM :~ ECHEANDIA FLEXUOSA 17695 z  Cobntat UM Herbarium 2   _ flexuosa  F)72U MEXICO  1958-09-04 d(2 x      ij echeandia       Greenm. Ws   r9KZ 1143392     |BII asparagales  `tx:~ asparagaeae   
{"catalogNumber": "1143392", "order": "Asparagales", "family": "Asparagaceae", "scientificName": "Echeandia flexuosa", "scientificNameAuthorship": "Greenm.", "genus": "Echeandia", "subgenus": "", "specificEpithet": "flexuosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "17695", "verbatimEventDate": "1958-09-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}