{
   "epochs": [ {
      "calculation_time": "13370754512803135",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13377875850641430",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "0068E3866D4FD4EFA5F89F6F7EB2C2BBC2142D3AAF2805D2A314F85BC6E6A09E",
   "next_scheduled_calculation_time": "13378480650641483"
}
