Transaction not yet indexed

661Xx5SxgeG6jVinFdPrMxNM9F4bmSr1AXTAkeQQMD2UJmQQgBc9B8tyUusmUNeS2oPWJd5KVHP3JDhRvjxAPmVc

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