{
  "manageEntity": {
    "action": "Update",
    "entityId": "916060975",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf7b07cc43ffe33e910cf8cdf857521c77cb9346290c6c38bcb47377ae981f766",
    "signature": "0x954b6424f86e1a38278177f601695ce56d54258faf7eea6d417eef04364c76cb1fe8b17cbd7d25eceaadbd8265cb2bd49327fee10916d4ca8241f4bcaa587c261c",
    "signer": "0x1A3180C2B77F308242944Cc798Ae0C216079DC9d",
    "userId": "916060975"
  }
}