{
  "manageEntity": {
    "action": "Update",
    "entityId": "906078737",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
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    "signer": "0xB19c29B442EB94Ae8176a376e19523532ef341DC",
    "userId": "906078737"
  }
}