{
   "epochs": [ {
      "calculation_time": "13366482344788343",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367145086477142",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "42864AD51295A5F325977E2183D0AFD83F232CBB95DB17DB90C922E889590F87",
   "next_scheduled_calculation_time": "13367749886477309"
}
