Transaction not yet indexed

CMgSm1FXTuHXryFhGE1ZTap4bR1zYofdoR3fT2jCsbhHbmYBHVsQG4wwApNUFTcjgNVUjGkFD3j3QVftuZLPpBC

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