[ "r of set", { "required": 1, "set": [ [ "sig", { "pubkey": "A+Ikuz87aBDipeYz3xqIypQBDzZUMbZEQH4WS4nTHjAD" } ], [ "sig", { "pubkey": "A/+U7mmol+FVGOR2r/daaxMNUKdjC1EKm7MLN0SNSIYk" } ], [ "sig", { "pubkey": "Agx0fUJflPhj3hjn9E9lMILN8GR9zxwu8iLjiqzMs23S" } ] ] } ]