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": ""}
Tennessee n=     , 1424919   _ka8 sporobolus    a. ruth U LP3   JU united states   &Qd knox  V Hof Sporobolus indicus  I indicus  1894-07 v^hb    Wi S.N.   H*Av POALES  uiJ KNOXVILLE POACEAE 3   4XHF` .Br.    
{"catalogNumber": "1424919", "order": "Poales", "family": "Poaceae", "scientificName": "Sporobolus indicus", "scientificNameAuthorship": "R.Br.", "genus": "Sporobolus", "subgenus": "", "specificEpithet": "indicus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A. Ruth", "recordNumber": "s.n.", "verbatimEventDate": "1894-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Tennessee", "county": "Knox", "municipality": "", "locality": "Knoxville", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}