{
  "manageEntity": {
    "action": "Update",
    "entityId": "228936197",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x64367de5a702ced290aac8da6d467387ad8e81f53c50cb755651ddef5a42f4b8",
    "signature": "0x7178dcb2afe4201ac2da5793a7d4a9288369946d5789e4bc127753e92081cf410debc8132680067e9f91c710d8fe41852e4666d6b1dd612a6e6595c631dd29d01c",
    "signer": "0x7eE4daFb79211fF2CB92FFa5a0C6fdf8DebA0695",
    "userId": "228936197"
  }
}