{
  "manageEntity": {
    "action": "Update",
    "entityId": "714091688",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd6eedb825a5f1900533db8ef45d6b51e9ad630100788f880bfbe1b618998a930",
    "signature": "0xe1e4994f0bea98d04b6e640f54218548a41269b5f01bb9b9dafa8d36f6a2c8823d6b09b38f1c7459d29f2c5ca62cb8682b70e6763ed24d76dc6eeb44d2e6a7d71c",
    "signer": "0xE4602a924B4ac812C947720727ffd05EC9d8280d",
    "userId": "714091688"
  }
}