{
  "manageEntity": {
    "action": "Update",
    "entityId": "614239389",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierarac25pnlfaci2x7zhvntsns2rzbhurx5o6633lrwnywtmvjxsftq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":8356115},{\"type\":\"playlist\",\"playlist_id\":1125479599},{\"type\":\"playlist\",\"playlist_id\":1853627743}]}}}",
    "nonce": "0x3435ecd3b01cebfcff3fe617cce3f644eaf83a386f2138604fd2e7499031403f",
    "signature": "0x8c8709f187c14f97373c744f977c3bb7275dabee48c2344d950644c3fcdc69b84f4c869a966f0717fe36eb590dd0fbb41c8028a6b2b4610dcaaf84a41af7d2551b",
    "signer": "0x7CBD48746133eD85fF7961BB95ef540342952cf5",
    "userId": "614239389"
  }
}