Transaction not yet indexed

Mt6AGFDGt3KHKApXNCHGPwCbMb38VcECabtnJPkyNyJDGxhwESbCLU7Y3hBsCaiz3kyoLcGWiBHAKVKCq7kHqkY

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