Get an alignment by index. Get an alignment by index. Path Parametersindex string — REQUIREDThe index of the alignment to get. Responses200OKSchema — OPTIONALindex string — OPTIONALname string — OPTIONALabbreviation string — OPTIONALdescription string — OPTIONALurl string — OPTIONALupdated_at string — OPTIONAL