{
  "manageEntity": {
    "action": "Update",
    "entityId": "85051708",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe652f3492650ef4a8d4b73c4059096c687cb0f6dd14cf0ebf832ba2b6e7c8819",
    "signature": "0x2534c67b36ec1237ac6a4295b354f6d64562c56a12a6322ea193f186168364df0f5a954e9877cce9968badd5a4882028e6f8fa64a8f4dbfe558d04ec19b9f4471b",
    "signer": "0x9976A5bDB93F69653188778fe013ed45ca0c2Ab1",
    "userId": "85051708"
  }
}