Transaction not yet indexed

6668xakPC7HxVswvSmkGkDx5vTk5Wjn7arE5bW6jezcDqBzkPU2yLZtQJfDxqkgz2e2CqBbkqgYGNFSjL2QCQSAB

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