{
  "manageEntity": {
    "action": "Update",
    "entityId": "354908",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraoxzeij4kz5uq36n2vjawlsfp4ucmjxvooyljxar2aladgqv4gcxa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1288494577},{\"type\":\"playlist\",\"playlist_id\":1936117932},{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":66758},{\"type\":\"playlist\",\"playlist_id\":139335},{\"type\":\"playlist\",\"playlist_id\":140294347}]}}}",
    "nonce": "0x39b39f658ba6a4bc6794067b3cd9bac0ce7200fe49a61185f29815cf9afe04d6",
    "signature": "0x0a06f8c00e1bdccc55680b1c6298b322db7ae6e65af1c44e36ccb8f123d25bae3bbee36b614638d996c864220f82bebffcc3dbda152b7110e54643578d0d27f21b",
    "signer": "0xcdc1772589e70ee6667FAaC93E3F0CcD5BFDa2aE",
    "userId": "354908"
  }
}