{
  "manageEntity": {
    "action": "Update",
    "entityId": "79842277",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierauyiuegtn7g5mibkaszywjltowi647c23aip6ivjqaltgqqat3bva\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":913470605},{\"type\":\"playlist\",\"playlist_id\":1910474330},{\"type\":\"playlist\",\"playlist_id\":2086348574}]}}}",
    "nonce": "0x26b27743e2e1ebe8b005208c06d5e9a48bc5bd2891e211887130572a78300ed0",
    "signature": "0x8e7fa9d306c8feceb28e210a107395cdedfd5c50ab9d66f43b6e1a9f0c5f8e1d2792c2ed31a1e15f190bb8e06870eabc8c783a889d122d0dc86c61bea5ae98001c",
    "signer": "0xB5D0A372B2e9F976b0B17446b2Eb8a99275CE3f1",
    "userId": "79842277"
  }
}