{
  "manageEntity": {
    "action": "Update",
    "entityId": "564916606",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xcc92a5d27f48ec61742449db50ee01fa7b5442874427a09f17bef7f69563a33d",
    "signature": "0x5fbe2fd942cf5996a3d1f86aa885f13a8c8785e1b1a463f21e611e08b18957006fff28ead694af16e18e737cea8aa009c122c99b6e91efac77241cb958043db21b",
    "signer": "0x7CE1e2c76Da56C8F42ac953E7ff7c7F082799d93",
    "userId": "564916606"
  }
}