{
   "epochs": [ {
      "calculation_time": "13366745212157390",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367416975605328",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "350526E2E3329BE168C6B422747160C86C17BF67AE630B8D2DBB921FE06CEDC7",
   "next_scheduled_calculation_time": "13368021775606171"
}
