Transaction not yet indexed

21CU6KUTdNNdrutSaxM1NwNrZkxDQjKvfEjRYdiAiCTob6HSwmViYF1XPuU3HnxFyipk5TyRPGdncAGjoyX6GoYi

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