Transaction not yet indexed

u78SMNnyvWi3Wcux8EEnZvuFqX9ZYB3Daf3ReUp891fcc4nVbykZEDtP49GvPCpXUVp2pBrfFU8GsyCNvwGyiPQ

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