Transaction not yet indexed

MEFvsdQTRWYr9r6Nojf4U3sefToAsTACyH7BhiWMH7jVBQo8t9sRMoAVqqUxrkpHp2ow2xkxDVCL7W8TsbTq6R9

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