{
  "manageEntity": {
    "action": "Update",
    "entityId": "467398673",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf34266d45f670c8b6d355ab225a9c29fb22a15e19c536155beb105d29115c07d",
    "signature": "0x99ec1f3416362acd38fce500c4f040c33c18ba0a34703ff49915f499ac75fbfd1c62ab83249ef11209e90da1d23e0d67a86c2f48b0172fbb3aaa2a57167947dc1b",
    "signer": "0x46CfB51Fda6B1829B8aF13F7d99133767B3F3b17",
    "userId": "467398673"
  }
}