Transaction not yet indexed

668Uzb4VbcNkoWD7gWdg8pK2SW4CdL9bLDGeche2cytRMkEo8XMQWPTsUFbV3pNs3RyBdSKaaS2FSRSEPvx2nCpQ

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