Transaction not yet indexed

MuMwt5kmJCdBJufwRHroSvSCa9UqNvS5QBHqatSJhxpBregc2ouVhgASSyfUj2DmyBXtSZBXikBcKCF7fo5j2Si

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