{
  "manageEntity": {
    "action": "Update",
    "entityId": "117784856",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0c6b322e4e36704f7aae421624ce96b9c684736a21521af5d8b300fcb1c5d35c",
    "signature": "0xcb81130bd1f9c2bfb5b381d5f08079498975d1612d7124746fa8aae59320d4035e2df67b3e7feec83292962ac610b749ab0cad067e443ce03e6f93803ec60b471b",
    "signer": "0xC8ba555BF310bf99D2EbfAc4B8D1B54B47070743",
    "userId": "117784856"
  }
}