Transaction not yet indexed

21EXDB2gVvu6M52LUHiPkU7Fg4cZAL949FpAjVNCWbvGcLaJBxWnr6gbnKeC1h9eie3YhheuGbyaZAxVbA1FiUS3

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.