{
  "manageEntity": {
    "action": "Update",
    "entityId": "992110484",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe5953959727f5eadc57daa65db7dc7f8ef7e7420302843c4633fb06374d50883",
    "signature": "0x8291f762c4518cf6dcf906718a36d9b36db5a645763eae38bc60dcaa430c99955b202b794554794b9b13d4ec6a2460e7703ee39f7438030e556a1d99140f9b301c",
    "signer": "0xFfEDC8a6177467Dd818D12079De6E66E514EeA03",
    "userId": "992110484"
  }
}