{
  "manageEntity": {
    "action": "Update",
    "entityId": "395446",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierai6ce4tdpakslirfi6axnjl2r276rgm7hm3abphuilircnyi44vkq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":97360},{\"type\":\"playlist\",\"playlist_id\":97474},{\"type\":\"playlist\",\"playlist_id\":128471912},{\"type\":\"playlist\",\"playlist_id\":289739365},{\"type\":\"playlist\",\"playlist_id\":2038720877},{\"type\":\"playlist\",\"playlist_id\":2065845912},{\"type\":\"playlist\",\"playlist_id\":2087412329},{\"type\":\"playlist\",\"playlist_id\":363075939}]}}}",
    "nonce": "0x90d09c5bcf2338766dc5b21fdc1fa910654eb54815d562f0c57cd945cdf4e21e",
    "signature": "0x7a52a5ebf0a492d57d0c80e0c84ad0b56b0f2106bf023385be02bf7d61e2bf642ea4b7ebb4e0d46fcb45dabd984a0e4dbaea5e58fbae4bf7db6e726804724b071b",
    "signer": "0x5c25f558f83F504B938F960942Fcc1F526BC4b51",
    "userId": "395446"
  }
}