Transaction not yet indexed

668xLrDi3sm4MNjjB9EQMxpDMU6G2cATWkukjE5rSnyEMZhgaSdPsEXhYXMFDYUboVgkwj6mH3BMzPkX3dTwEDMg

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