Transaction not yet indexed

u491XMZYur9KTrdNBTaVzG2mrsMXjDyjemwFiJV196nqS7k8r7Z6Ufhd1WPRqeFcHtqjnQLqgyEnxx7ugPEDNT7

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