示例值:RSA2 app_id=2014060600164699,nonce=5f9fba93-bbb2-40f0-b328-04d5ead3e131,timestamp=1667804301218,sign=we4W72MTS/icITRWbuYxKkRShl2KTsA6W0m28Wd5VH9entVVzBkenQOJ2MOOCb4izOdBqdH+LlBfqVGygjrgQQFD3bhVH8KwsoWtFBXsXNTLDvPXl2xDn0mejJP2hHCI7sCEmGPGqZ94YOZB5o7QZEEme05ImJjg6nFbir7oE0UszB2N3IgV080BU/dsmnaLKHHNOcnJ4Jj3cyYfFG+mJwaESDv07X5YGkHHiRKpfMeuXIKXLabBWGabpPv+fwkX0OP3hvew8QMQBZ1D30r2TdDzyCF/lxkA3HmFEV1EMhRrTA3+HS9ChZRn7p/8aCZ/IdkfGj1I63it73NmpUfmgA==