Transaction not yet indexed

MkWSKV4YV1eMszqq6GLGHE9q2xzetP73Ghq9D1oAW5TTk3wUCob2mEh8g9XCWqGzheeHVs7PHCurFKC5FsgoxJS

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