Transaction not yet indexed

5Mmc2cbRcey2HLspMY4YipefLtSh4LDJtpV9BxrYM7sz2Gh1TUx1ZJyWsoLpM8D7oyDvfdGa3sVPKN5kubcxnk66

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