{
  "manageEntity": {
    "action": "Update",
    "entityId": "403667803",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierafbv32efmyeovvqkujgwqfr3jv5pza7gigjjlczcvt32esmdsqjha\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":553185963},{\"type\":\"playlist\",\"playlist_id\":2031633327}]}}}",
    "nonce": "0x76e85695e3f237187967bae86ab7c9eb90ecd0bef18e5f2cef338d56c420eaf0",
    "signature": "0xbafeed09b80c67019cc52be96bdb34710bb5bd0de4dc04af32cb5383b4d4c0bd0a368f9eaa72c18f06201f82da435024477d4206d362b45acef69dce10dbc92d1b",
    "signer": "0x6CDB14bB0E06b4Dc606A00A022c8bF4229E1699E",
    "userId": "403667803"
  }
}