Transaction not yet indexed

668DgMqGhL7R2FVY3PbipTPu9uLTrebVyQHtpnGF3daxpcWy7ZHAw87JykUSvNwYai6UciqgHRcEb9C6DS94mXea

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