Transaction not yet indexed

QSu53dBWZRTSBvPNBXiZL6f6fdcLdpb5nM9j4edff2pKEhBGQo2Z4TtaWwcGEsBPoYGFrnpbFEEZYoMnDLSE5j1

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