Transaction not yet indexed

668PRb6puLeyYo5NLbXqth5jnuFxvpxCqkWuPCJCQ2TZLRMmiV6eRqftvyUssihpLSadPpLxDrVPfPiuSZLsYfs3

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