{
  "manageEntity": {
    "action": "Update",
    "entityId": "424530664",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbcf46bf52c1ef1b1351e4a60b7d42e4cd4bc376f082e864ffc8b4502af5374d6",
    "signature": "0xde91f2af425ca89fec6df971da8f46f2b96073cdd97fcd12a2d9cac08778648c36dbb3d5bbe4141be878985034fa1a6f4c0ae5033b00106a87ff88877aedc0911c",
    "signer": "0x862aaEDB04B251891D6F8bE698DeD7953C861b8f",
    "userId": "424530664"
  }
}