[
"r of set",
{
"required": 2,
"set": [
[
"sig",
{
"pubkey": "Ar4XAZko0zv2MYCQxiXJ7C0alsefWrzbfTKHVo660XoK"
}
],
[
"sig",
{
"pubkey": "A4g0k8UX+trjBNpVio/oV5TT1zHKCvELEQvWc6n0efcH"
}
],
[
"sig",
{
"pubkey": "A9d21CWqvG11csm5uEvh706LmWN/Vv29zrKR4xGQYS07"
}
]
]
}
]