Transaction not yet indexed

2EXTmtfS8pAg8DSnHcgmWzacktqbpFA9jKBfZT3oDbEcHeespMeLiTsDHKVH2xchamAHQJN3tYELtqe1CJzr5eSM

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