{
  "manageEntity": {
    "action": "Update",
    "entityId": "444965341",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera6cmwwylo75y2wuqqfhee6eagn3sfchx35bfpf75oom6czndbolka\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":31046}]}}}",
    "nonce": "0x6cb31985d3f515d1ad736eff04f524c8e7622d8869724b8b92b6fcb8b7db76b4",
    "signature": "0x171a20d3fe548f6861640fe458d5b0a787db0fae9990d88316a7de96e85893470fca9d27c53148b670cd383f80dfb28fe5074a3322c5c992bac7376f512519391c",
    "signer": "0xdD03ED106abBEF4982159500e32B8602B985a69B",
    "userId": "444965341"
  }
}