Transaction not yet indexed

Ac78HRHPrZRP3rnkfzq8TdfZdBZnuwfW7rWrbSwEWeMmm8VB7SU7jCmfhVhoUqzS66CAUnfJ26weNCCpZSPBnje

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