Transaction not yet indexed

u18GYaCgmJdzG7KbF2SP1dNDqfouPAhkWcUpd5SqGCsh3Zv3Ly2rTEXnNexLF9TwXFLJHaXFTtTGHFJuDaFvKpD

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