{
  "manageEntity": {
    "action": "Update",
    "entityId": "1422295",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierahy4k3qzqm7bkzmtdo7lgypt2luernohgxek7ei4zu4e4kddu2iea\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":137575},{\"type\":\"playlist\",\"playlist_id\":229304798},{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":115049},{\"type\":\"playlist\",\"playlist_id\":140250},{\"type\":\"playlist\",\"playlist_id\":284199604}]}}}",
    "nonce": "0x807d070e866d9c293b65b5899c08d613ac3213bb81ee6b6c5f3db90ac71ca1e0",
    "signature": "0x2d4ee75f3e99eeb587b1186b05aa7c1bfdb950ada76854d3f473144e75c92f5e094f3b4fe2c8d1473d666a44dee3977bc89903bb43a07eaeb86dca7629b0ceda1b",
    "signer": "0x7FF24dfd471261490317851550Db9b8fab0c6df3",
    "userId": "1422295"
  }
}