Transaction not yet indexed

21UFGCiMjoJEk911p3ggYjGeQ5Sp2d16ubU9KtMv2TBxF8JrguMoFq9C7d2xtLk9UA2WVDatJfmtVEFyN5LBeUZx

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