{
   "epochs": [ {
      "calculation_time": "13370357224542234",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13375413598096856",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "B17551DB5C947244C0C0573BF2A9557AC2C74449A6EE66E3BDCB5F2033649207",
   "next_scheduled_calculation_time": "13376018398097371"
}
