{
  "manageEntity": {
    "action": "Update",
    "entityId": "634565976",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xdf07d98a1308db88ca2b876ea59acdd72460fd7aa81d5eec3e24d0a4999dcd09",
    "signature": "0x1d06643fe0df2244c67f714e588685bf07554d696c31df4f2908517e397b8aa015d539cb0944c92a8145b998223abb0151060d8ca30c0abcbb665a1a998aaaac1c",
    "signer": "0xb75F9De06b8430b36F0304E8874D7A351019F9Ea",
    "userId": "634565976"
  }
}