Transaction not yet indexed

668DNDMJgp3zaj1eEDrksceMUas2C2ggYrXZ9i4eFvBfxiGwSDWZFTsExv5mKdC6cgJZokTCUHkqSHMoC4VM1M6N

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