Transaction not yet indexed

MMky3sZL15LRDg3hFWhRVznjctTWB1CuAGiK6ajWuxbxqJPEFxSL5i6nwBYdnBQAPqB9USFP7bDxfo4dGf1aF7C

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