channel can be very large.
SDSIJMOH6NMIQUY7LTNU47FHJWYCMRLE4DAS5QLJHIREBK3NVNHAC
4XVMHKBKYH2ROLUYFJTXIE3544C2VHB2VXL2WW3DHF6PZ2HAJDXQC
5EV65EDZAT2L2UCEFUANWBW5NKYCSB3FOZVHU3NRQXMGX6EJXOSAC
J5UVLXOK6EDIL5I7VKWH4V2QDS4DPD7FHRK6XBWSXFRQS4JKXFZQC
, uri_for($controller, 'channel_contents', $bindings)