Transaction not yet indexed

666wvUuxYE57besWx5cXCPwv1uLzX2ueyziQ8KbEssjFGmRBDNoqSafcSTbYSxTQH27wWDQBUAv3D8KMSmvKgGY9

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