Transaction not yet indexed

668WghJC9KvvWsssLKSP8WrkSRnBSodngfF2REXKiWRZe3T2tdcNxTvxLsgyVb3NBu2yVAoh7nxMFsRcxrCMAx18

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