Transaction not yet indexed

53u1nEPLat5ibYvD2aPgw4HWRK7BHqSWuiyPbbDUBD1fb3qev3xpN6Y7hdQwFb2EtbnHeJTaT3eqCFccu7zY2Ec9

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