REST API: get your node data

@Thomas why does it change from yesterday? neither changed the node nor the s-c-gw
{
"data_raw": "QKoBSFoAeAABCII0Rnw5Uyq9BQRRA5zrEBNK37FypriLD1beCYrGFkRzruLnH3YmEirp1FHQW22ilvyjVNLj",
"gateway_eui": "B827EBFFFFE05FEF",
"time": "2016-01-03T15:48:47.046Z",
"node_eui": "5A4801AA",
"data_plain": "2016/01/03 15:48 4725.787N 832.411E ",
"data": "MjAxNi8wMS8wMyAxNTo0OCA0NzI1Ljc4N04gIDgzMi40MTFFICAgICAgICAgICAgICA="
},