Transaction not yet indexed

21mh6QXK9bYfLUPKEDSN8R1SZEV7kUFD6Pm8UncgbkNNF1u3mx976RbXNrzhUT3nWfLB9AEF63cFC9eyp3MhG1b2

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