{
  "manageEntity": {
    "action": "Update",
    "entityId": "154085595",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x94f6129ab9583a810277d3f0a0a9761469be7249eb2408e176a6f274990d723f",
    "signature": "0x9e6d01a6993604a416ab4a89c5bc644867411650f6fe0efbdeebe8646e7431ce7c914e2b0aaaa667c59b2a3fec97d16c96e2d54524d19a87e0c502d02d7ca1cb1b",
    "signer": "0x5b8BFea922d3E94c01D9b58040d1Cb4E8BE244EF",
    "userId": "154085595"
  }
}