Transaction not yet indexed

53UnRCYBGYUCFKBHZPkC1qFhfXSqx27AuKUd7dbL3UbBvbdbjN1M3U1y8tZYHwwGt8QPyiV6gms7qm7wSSUCp5NK

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