{
  "manageEntity": {
    "action": "Update",
    "entityId": "850489604",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraclyeu727g4vw2cjxhhpqglneex2ogus3cvcw3p5izmx2b2u6ucwa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1248699039},{\"type\":\"playlist\",\"playlist_id\":641724839},{\"type\":\"playlist\",\"playlist_id\":2022877432},{\"type\":\"playlist\",\"playlist_id\":1254547605},{\"type\":\"playlist\",\"playlist_id\":259617639},{\"type\":\"playlist\",\"playlist_id\":2071253854},{\"type\":\"playlist\",\"playlist_id\":1217251542},{\"type\":\"playlist\",\"playlist_id\":1940196868},{\"type\":\"playlist\",\"playlist_id\":387417358},{\"type\":\"playlist\",\"playlist_id\":788931279},{\"type\":\"playlist\",\"playlist_id\":881379550}]}}}",
    "nonce": "0x66932bfa248843a7b28c79b626f68e551970e014f1bd2f8b59f591b4755cf774",
    "signature": "0x568cb1adeb91d802b0e47597d2326b0060c7270282b0bccba195499ff3fdeb671e0fe79bed387f6ae008dccc0af9ccde4023e3432b3a19e649bd9f492320738d1b",
    "signer": "0xE58798A8eCCb4b8474bdDB89D94c8151E7BD4D10",
    "userId": "850489604"
  }
}