Transaction not yet indexed

668HNYVwB16kN9yTRsSSg4o31Mfix9fNFzRHFZi6jEWJAfAmb6eue7EYjAFdR3bBuQUBpW2E5jEqdS9439h4SoGQ

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