{
  "manageEntity": {
    "action": "Update",
    "entityId": "118752027",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x42d12eac70a0805b37a31d11607a268feb7d2300fd83f03b1bc1bc0dd0f253fa",
    "signature": "0x3f62a9c664696b2278475f4dd24abf147449f8a8ec6dcf8b764a11f8d1f987065709a51183662bfa6da392db16de7a789b733d542fe14f70296abd02cb9d19ba1c",
    "signer": "0x9c49612CAAe0a4683C2C3286E1e072b19d2368C6",
    "userId": "118752027"
  }
}