{
   "epochs": [ {
      "calculation_time": "13366310719215039",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366975828334569",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "B82BCA2237BD0451BF9A2FA25B0F3A0510F53AE9C546F4D995FCAD347B497BF2",
   "next_scheduled_calculation_time": "13367580628334808"
}
