Transaction not yet indexed

MKewgkxo6XzMsijX3ZQaApBAVjbgJ8RLjbDXWS8rvzV2BQh8q2Uy2q5bSuY77piFBmRjRVKsJSq75vrLZWA2UgE

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