Transaction not yet indexed

21c4TfZo6yjn3bqsTkK1ubp3rpX4AAmF3em6dDB4bjsDrPfsaakUa24kTJGK7eBwDZsDtdes4Y86xd1PYALfN56A

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