Transaction not yet indexed

668YuiSY2csu3iAynm2S46Y7bq2hMhpevLumgefQ6rj2iw2kHxfsaXwSfXQG8Mbw4oiHSuCtwY6xfaNx2bB1eVmL

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