Transaction not yet indexed

MTKBoKFanoBYw4Un2CfTELSg6aLYY6Mkh6PvFiqGt6yNKQ3cfRzs9dgkszBCQWEDtafZPWNHyRUGwGaaXjfF6ss

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