Transaction not yet indexed

Mt6TCUx6L36DKnRnwvZh1heQzYA4JTPxtzFpkWsx1z5KqGU4KgHfrw3mLMLQoBM2HrGHjRdzz3NFMiYzvpXPDNZ

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