Transaction not yet indexed

666cNUUgBfLkGqGf4Wk1PPdcCXMd3zTey6kSsW6uChnNdhM3fgdnazRx9hpgM55s7B9EWZstXUiKiUtk9p4v43LE

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