Transaction not yet indexed

421AzFrUAUGNzVnEeUU8YsACfU9vRZAkkXFBEUYp8hRDoFmmdZXQ5NTuPuhvnpS2dEtqr18EuGywyefFGK6sQMLQ

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