{
  "manageEntity": {
    "action": "Update",
    "entityId": "207424162",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x1b0d80911d33381b365633569e8399931c58618c0624262bb7f2d76dbf2720af",
    "signature": "0xa05f3efebdab8f0a7d06c7d178fc5824bd7f384d328db89af5a3d423517a71c62ec5b889f9344cfe969374741c044fc7c53ab1883f7a7bb9f509fe528676bbba1b",
    "signer": "0x9Ff4547be094313fb2408a50544ba6f9Dac2F5a7",
    "userId": "207424162"
  }
}