{
  "manageEntity": {
    "action": "Update",
    "entityId": "939691466",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2059aa18ab14492968beac67f9a6b1ff16a38541d433595c61ec293ec56a3008",
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    "signer": "0xE7aEb0446F689b1C66EDB46AbB9909cC34FD5A62",
    "userId": "939691466"
  }
}