Transaction not yet indexed

21NaKNgbGUb2AKVBBthRHx6z1aayH3BzBgmKJ1DGL3hPACf1V1itZCFDHSmMS1Lche2QmVYk1eEb8TZ8jSFQ8aNZ

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