Alright, I must have changed two things at once.
signrawtransaction 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
{
"hex" : "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",
"complete" : false
}
addmultisigaddress 3 '["034b0bd0f653d4ac0a2e9e81eb1863bb8e5743f6cb1ea40d845b939c225a1a80ff",
"02a144af74d018501f03d76ead130433335f969772792ec39ce389c8a234155259",
"03661a4370dfcfbcea25d1800057220f4572b6eecab95bb0670e8676a9e34451dc",
"0234139729dd413c84a71a0bfd6f236790be861b37311cef3240277c940e4b0c07",
"02547427fc2ea3a0ab9ef70f5e1640ff5112b113f65696948f992bd0770b942571"]'
BqyRzFtWXDmjxrYpyJD42MLE5xc8FrB4js
signrawtransaction 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
{
"hex" : "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",
"complete" : false
}