{
  "manageEntity": {
    "action": "Update",
    "entityId": "3636854",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera2hp46gv2tyqb54vpht4kqi7b6dnv6cohmjltuc6rhfzlto3wjila\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1369700879},{\"type\":\"playlist\",\"playlist_id\":1136421125},{\"type\":\"playlist\",\"playlist_id\":1100363087},{\"type\":\"playlist\",\"playlist_id\":1372187840}]}}}",
    "nonce": "0xa4604bab1ceb78380999e4ee413405963352f2ed2c8a37a99e9209b8be7b4e88",
    "signature": "0x2fb6667175b0f14f798e0157d2e4cd3907606b5fc850c7b1fb0cd17c5b81e47232c72371418ab4b2627b08366cd8780e96efc8f7d055e5b796d4a80b8dc43e961b",
    "signer": "0x2e9d3CE541fF1290944eF388dE9759d77881dA4a",
    "userId": "3636854"
  }
}