{
  "manageEntity": {
    "action": "Update",
    "entityId": "382794596",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x24e0dfc30fc5db4d506f49200acc6f12810c2b3df4f9900138fda7df17132822",
    "signature": "0x1bf8bdb35bbd9e55900febac3cef15d462ac45228469c935858483812965bc326e4f6ec90ba3e21e0b5cc1cc0f51934e3fbc1550ad5649d3766839e97ca77b8e1c",
    "signer": "0xF17E52E7e1358c4655BDe70ae6D75082f9eC970c",
    "userId": "382794596"
  }
}