Transaction not yet indexed

668VP8aJH2FDwfFvgQdDGej3UPWbBAi3Vh6qSsGXLiG5yNkgiQCPXntUZgb2K3DBnC5w8oGDeHuDLJuzUmap5mPo

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