{
  "manageEntity": {
    "action": "Update",
    "entityId": "911613164",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x01133f99bf08f404e5df0542bf2868916b863d21e2775940d4be2ea367d00824",
    "signature": "0x34f8cf0d461afd7320e2f4328920fcee2b47529aedc4940ee72fa944c673c29b0d7a27978cf70bb5c4c577688054918bba525a718e1d3a87b75b3340433f24dc1c",
    "signer": "0x01eB7915E4941D64a8ddf370bE06647ad5F79d4e",
    "userId": "911613164"
  }
}