/api/v2/{coin}/signtxThis route is for users who would like to maintain their own keys, or otherwise would not like BitGo to decrypt their key, and instead provide it in the clear themselves
coinstringRequiredbtcprv string xprv9s21ZrQH143K3xQwj4yx3fHjDieEdqFDweBvFxn28qGvfQGvweUWuUuDRpepDu6opq3jiWHU9h3yYTKk5vvu4ykRuGA4i4Kz1vmFMPLTsoCtxPrebuild object wallet string 59cd72485007a239fb00282ed480da1f^[0-9a-f]{32}$txHex string txBase64 string txInfoOne offeeInfo object isLastSignature boolean pubs array[string] ["string","string","string"]txInfoOne oftxHex string 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