{
  "manageEntity": {
    "action": "Update",
    "entityId": "820535398",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5344aebdb3bdd09330f521bc5addaa813da3be294670f350184a9f88656b214a",
    "signature": "0xffa34328a6218333bc0d2d46c6fe511f1dd9924dcfb372f42e0e2b412d0185f275cfd9adc447df6bb9564892cc2a9e3af38fd0ccd5ec25a17e402f630ec1660a1b",
    "signer": "0x2e9d6f01b294247557bb679bDC02131A00c596E3",
    "userId": "820535398"
  }
}