{
 "at": 1792314421,
 "ownership_head": "848cacd5dc751aae439c005abef52587062a61722a7abf4269c4216fde6215d8",
 "ownership_n": 70,
 "prereg_hash": "f51e1c2646beaada45942f8221093b6e3de5358e5229f707877d8c484c5405cd",
 "site": "地球に魔力は存在するか",
 "trial_head": "8e0cb7e1584ebc3ca98588cc853bc2fd507648e11d846d39256c5a77aba48c3f",
 "trial_seq": 1164
}