Transaction not yet indexed

668VqbSYpwAx4PdHp8EzVbjGuPz2x8cjc2AoryuAY4MFkqBCWpT5LYmeEXQGX5mUWxCNC6CUS8iKPMCmcUEM3eys

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