{
  "manageEntity": {
    "action": "Update",
    "entityId": "1415762",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraa6juauegjksfspgj2pmijnzcmyeahrlcc2gez4ynavadi6ge72yq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1087030952},{\"type\":\"playlist\",\"playlist_id\":198813583},{\"type\":\"playlist\",\"playlist_id\":792753297},{\"type\":\"playlist\",\"playlist_id\":1214894220}]}}}",
    "nonce": "0xb6a76c3fb4b30b7585adcce300328b433c36adfaea64ac5ac2061c27aa5e79eb",
    "signature": "0xf3ce82316ca368d8548df325b3262e8e4ad653895443d169ce7ab8d05865154544fd58808d28ef2b75ff5d544a299fdd7738c7cca81ed3e8ed88c393947c2ca71b",
    "signer": "0x803cAa47D9F525D1180159ddCAC9575061b200B3",
    "userId": "1415762"
  }
}