{
  "manageEntity": {
    "action": "Update",
    "entityId": "806730286",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierak35md6cuviynblxibjb66yqkyzrtgwkyexdv7pene7g64ffsfkkq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2000341758}]}}}",
    "nonce": "0xbcbcf300a81c63dc3ee0740dc6137b0ac8e554a8d89c282dc5be2fd07c2cb77e",
    "signature": "0x3ee5434bebe27a493bd712a6f1adea6eaf4c1a0c0e1fc6942b194faf69d2c6091cfec9f11d30929af47b122ccd1309636a3591fd8b8933e1fcf5b6e90fccb1e91c",
    "signer": "0x2998887475389835ebB15d652B6c54B9C507E3ae",
    "userId": "806730286"
  }
}