{
   "epochs": [ {
      "calculation_time": "13366329415721775",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366995390786762",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "D11139CFE01AB9D941BA010FB7E4702BC3857C29F773642572D27C939D27192F",
   "next_scheduled_calculation_time": "13367600190786936"
}
