Transaction not yet indexed

ME9xLXxRWayrEa2cLMtDXrswhySmMEHx7yD3zJUe1Whn3FMwoe1pMgaiRGwTYSbFJFkeAmfbnLBnQtM3vanm5Dj

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