{
   "epochs": [ {
      "calculation_time": "13366745104649548",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367416884720495",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "351357D1D0AAD2E0E1EC593781B45D130A96D18F63DF62447188BA564CDDACCD",
   "next_scheduled_calculation_time": "13368021684720816"
}
