{
   "epochs": [ {
      "calculation_time": "13366327582520402",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366993418191016",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "DB20A2FE3029023FD8545DE60E4F1A2058031C5B2D425FC30AEED274F34F4D18",
   "next_scheduled_calculation_time": "13367598218191142"
}
