Transaction not yet indexed

53u18tnC2kAu9cUVGp64cwE3TGP69NRQo7zrLFFFJdSRgrZGLsd8exsYCgZDCMGeyodxi68qFhTPGAuSxN1m7gAM

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