{
   "epochs": [ {
      "calculation_time": "13366372910996158",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367038001183528",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "71F607007DE867C2A99AE8C017F2C6556DB35149035F89F2935EC6C3793905C3",
   "next_scheduled_calculation_time": "13367642801183992"
}
