Transaction not yet indexed

EV88vtfPHcjLYFMAGJenu9cnUVzEBYaUncPoEfbpsub3R4uD8u6nycKhfx8wXqcCv1nXuXccCiiYttqE6Pz5Cu6

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