Transaction not yet indexed

2couPDgf6w5683xZ36t8EXs3UBLUEByEJwg6qPLygrCKAAskk3ri1eqf57LMpz5FfYPFMzn5MFzadBQz6vrCYHq2

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