Transaction not yet indexed

668TXMeg4NRUFxKoXUMWwwDkmqcLtVMDExMAHZetBuHrJt5VsFygov6UoKRVijvm4rGWeAzdfqwZkc4daBxTUbY3

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