{
  "manageEntity": {
    "action": "Update",
    "entityId": "727519364",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd5b11b524deb2e4552ec2479de6929a4e64700bcba0171d2d1e6c1e557ffec4d",
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    "signer": "0x9288b38e82690e5b14c34089c7006F51E8a06922",
    "userId": "727519364"
  }
}