{
  "manageEntity": {
    "action": "Update",
    "entityId": "614652236",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierawkyhmyb2fhz5zqffwite6inptphy7t7fahclqep2svkw6xg3lq6a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":69114118},{\"type\":\"playlist\",\"playlist_id\":1611642088},{\"type\":\"playlist\",\"playlist_id\":441729706}]}}}",
    "nonce": "0x1eebced7b35fd425537693e1163ee4168885610b397d97c9d013db7797cdb8e0",
    "signature": "0x3f4932f71b6dad0e0af7595f3921569845a87dd0adfa7b2470f89b8bb719b6911637c5b4c2ec1d90ae5c6986ad93dd195dc593791016655518d70074467bfb4f1c",
    "signer": "0x08825fAeCfa154aCBEBeB75e04841937cC55512c",
    "userId": "614652236"
  }
}