Transaction not yet indexed

Rbc878hMD8qUxARd6V6oPzSSvMfScgUPVZGpzGmK3MyiLAnCghKa9q4JhS9c8CMeXuMu6BBoyXVjZbA5MCa7Sam

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