[ "r of set", { "required": 1, "set": [ [ "sig", { "pubkey": "A+tYKRtDhKbERPrEDmTTTi3ZJGroBmO4O0MXp8Vpz5Ok" } ], [ "sig", { "pubkey": "A0w768uvrhFEqRhjSe9cAMWOrMAdU2paeyYrcuUzQi3v" } ], [ "sig", { "pubkey": "A/shHpD9kWtCBSuJYZGc3B+CeiPwBktDmPZCABE7b1Tg" } ] ] } ]