{
  "manageEntity": {
    "action": "Update",
    "entityId": "200959284",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera2boomchf25qfwgbh7gi6xfyfprmwfn3rspvkjd7cvjewx5b77iva\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":673301688},{\"type\":\"playlist\",\"playlist_id\":1326621399},{\"type\":\"playlist\",\"playlist_id\":1254672404},{\"type\":\"playlist\",\"playlist_id\":1710650401},{\"type\":\"playlist\",\"playlist_id\":1608281841},{\"type\":\"playlist\",\"playlist_id\":142442518},{\"type\":\"playlist\",\"playlist_id\":188570534},{\"type\":\"playlist\",\"playlist_id\":878336140}]}}}",
    "nonce": "0xa11da963f15b128582f08ee2b2d079d6e00a0d4116ede2058f8d8fe9376e5e65",
    "signature": "0xf435867bfaa577364ab48f3ad45137f7df4717ef513c104779f9db530aeb0a5c2c4fe6e18388fc6f545a8f08021c5ccf333a7cb3c93d1e223a33d9f0a6c86c431c",
    "signer": "0x378543D1f467aD15E6688fa37eFF55939dFEDFc2",
    "userId": "200959284"
  }
}