Transaction not yet indexed

UQ16s2hmvbE6eVg4qgmZWMHy4cLf3KF2KPgzQAzw5WCEShRSjAPzEhkzPd6Kewm6DNbMDGXax263toSmV3vdeH4

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