Transaction not yet indexed

mef19j2qCUUYVTfr3yv36HpXfd5ngayjeuNvbg2Vk7ZPWrwYx6VxKrFK1N76nwDMUkHoaDRVM3gbt755HRCtsLB

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