Transaction not yet indexed

MFp6zYyLaDCqqZVCH1GXkKZ652Ws7oLri36xgzPiJQ1xjiphSLeJ1GbJPQg7UVEvPg2jL7vxG7RfbBpXQeiPFrM

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