Transaction not yet indexed

NEf3gpQT6Zw9xoL2wf5Kku8wgfGbbmXGFntLEp9ANFoTUVsb3Gaxvqcasp3TNq9rbMCJExKeNeCP8ppUmM6BZ3p

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