Transaction not yet indexed

mkemKc9GNLoKGCd5EhDjf5fdFo7DUwxPvv4fLe49CwGZ8Z4PEL9qUudtkYyWxfb3zjZWLw8CfTjadE8pu8QXC38

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