Transaction not yet indexed

YYU8FfrMXJg4nmpfFLrUdURdQU9WGYdo7MoTgo5eFj3ykhbqm2RVzFnESje4nzcBm1i2fKPL4VGdXRqnWtiU7pg

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