{
  "manageEntity": {
    "action": "Update",
    "entityId": "815988495",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
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    "signer": "0xD9F084fedD955A353bC94E5559FCe7D2aB17B220",
    "userId": "815988495"
  }
}