{
  "manageEntity": {
    "action": "Update",
    "entityId": "361209907",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0fda486a662fa606e24591f486cb48cf4b16e7bdb95d20e33f7b44a55867bd8c",
    "signature": "0x4611c8269a8705e4c88cd1091bf11676a6f3cadbdb6781b750a72fe19440af2f3a82d0748a912a4665a48ad1bfec41f2ba2208b42b599653943131509b8029791c",
    "signer": "0x380e2B026A85789C37e15BC0833b18B9e0cA63Ff",
    "userId": "361209907"
  }
}