Transaction not yet indexed

21RDF6cAEfTpDMXJbuDUFhRzA5XfY8EHF4dKEfm5Gcisu7nh8ZxTvSnP8j1FMYtcfUuG6g8sBpmtVQE5gqcsQ3p4

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