{
  "manageEntity": {
    "action": "Update",
    "entityId": "636997659",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieragooqvmrt7kheiorlijlgd7ae6n3wfuvdgtk3woxfkpxsfqwhqmqq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":682725001}]}}}",
    "nonce": "0x1a2ea04d176e4185ae5d9863a16ba351a2e649208b635599c27acf7f1d4125ec",
    "signature": "0x71db9f75d26d3eedfc6a9f432f20106c680713832ed66a5c41d909c19403f0bc622b776eb0bbdbfca019dffb3e0820998c35d1441f5dbb65a079dc55cc1b0d131b",
    "signer": "0x8bDCF52f49DF779d88a408653121635D4Dc98A6B",
    "userId": "636997659"
  }
}