Transaction not yet indexed

MUG6p2ePX9m4QR1tzV6DXpb5x9RwwBi8715U8B9RDcqV7N7nzNVVfFSZzR38kSRWSoJYKkYG4CEnDiYhw1CTvQZ

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