{
  "manageEntity": {
    "action": "Update",
    "entityId": "154085595",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x37e0ab225e5042d1a48c5ac9d5415f9b74b3a08de98db35d9981477c43294a3d",
    "signature": "0x26a567e37b5cdddd2ac16c43648745948c112b7009449a1f92bea4a66808a3342bdd8e6cadf4240a61de42fc6ce7c63bcaf5eddad33fa2b677acacfbed17d92b1c",
    "signer": "0x5b8BFea922d3E94c01D9b58040d1Cb4E8BE244EF",
    "userId": "154085595"
  }
}