Transaction not yet indexed

4S21wkCy8Bh647VECLHmhk6PKwYvfA6D4tQRT1p8fFuRtT5HaBC1rADPkR1dMMn5J4GKzkkkSmZXioX4AZBPHC9A

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