Transaction not yet indexed

6668GYRiMvymvewMkRabDacnA3UX5PRK8JCs98f1GtSbYxrGPQ7CDaN8i2A8WR5LWfgkK5oVZRdFWCn3pZUJ5jJx

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