{
  "manageEntity": {
    "action": "Update",
    "entityId": "448151336",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera2raj7tgqsx3j25gi4s2fwtg2rqt4rwdef4j7pyglo6apfwulfcrq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2041763848},{\"type\":\"playlist\",\"playlist_id\":225359288}]}}}",
    "nonce": "0x6a7cbc264509b9749a22fa750606edbd3c0648c3b01b941a61ba2aad6ce739b5",
    "signature": "0x109b6a8fb8916efa7b76da3d83fa1073c455209cc99555e788e2d5e5daf8b04d1d14249b7f6ee4ad1c19b2151fb3fe60e737b4c4121890a45356471f4caf7f711c",
    "signer": "0xbD7a3e84747148187384D49EED4F6728518e23Bc",
    "userId": "448151336"
  }
}