{
   "epochs": [ {
      "calculation_time": "13370926515607044",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13379073721269211",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "05BF6017EFDE19E150E10F664B0ACD5549EE1703883014FDE52004DFA99E6333",
   "next_scheduled_calculation_time": "13379678521269961"
}
