Transaction not yet indexed

Pmk2Em1ZpbLLRvtrZjXEEEAYTssKabgLr98AtbvcpirEdtgPGboED3rQBdnhjsSh4ygLcYFJ2KwRi2RGm23fQH4

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