{
  "manageEntity": {
    "action": "Update",
    "entityId": "806730286",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera42vpsxpiumwtohernqw25obxj4et5hyudxllajrztzlxzljfocca\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2000341758},{\"type\":\"playlist\",\"playlist_id\":1232472855},{\"type\":\"playlist\",\"playlist_id\":187242146}]}}}",
    "nonce": "0xd3ec3614d111e4045ea2bdf85880f0d76328f96dbae10ef0ce48096b376551f6",
    "signature": "0x3116b46265288094dbd0de11d8b0ebd773a7e75c37ed1b83262689f62322b7c40c4164cebb218561dc7d99b6dd59db2447847c3cbc45debd1f10e63dedef05211b",
    "signer": "0x2998887475389835ebB15d652B6c54B9C507E3ae",
    "userId": "806730286"
  }
}