Transaction not yet indexed

YMVzknQgmWVu3VfmpRs4sUEaqPjTVyJ8hvMme6Q68JkR9iRo4B9ijsTUbkAKmXrkH4axL7pmNoyHUHHhV9mkyp6

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