{
  "manageEntity": {
    "action": "Update",
    "entityId": "352212248",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6f91b45c25e266884c634af08857f18ee89775c833b17acc9dbba014162a57f8",
    "signature": "0x95062adfa2f7b65b6097227180204ca740460ebbabb1d3a3b8a3e594c35a44ae3d1c2110120c32674dab9276744f95e4ea8523b1d87b77489f34ef0c2fb65dc71b",
    "signer": "0xe095270D38f4ef97b96C4B01cf62B33f20EB20A8",
    "userId": "352212248"
  }
}