Transaction not yet indexed

21m3JLdsBpjboaAmPR6ZbSpZtKp5xQpfbcGxiaRp5T23FiyeQaQkMkEWeH1uQNP4hkXd3UeUDoajQ4MmtyosTCv7

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