Transaction not yet indexed

MKMxpjDaNGgqqXfRGaXQjJYEukcZNVBDHhpcvNw3uuoCkqfAQdGprAxK4btPJJSYwuPv4bBVhkPsUVAQFnVFGuU

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