{
  "manageEntity": {
    "action": "Update",
    "entityId": "444965341",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x1059e81173868c47fd6864eb33eeb03db8ba2eeb259587e990b8fae56a00dd66",
    "signature": "0xd96263bede3c110a537050607fb69a8587dc2b27f449523a5b1c75f2f41727364a2b820b0013eda9bce4a0c9469ea70fc0761230bf1a1019fa610647247b3a4a1b",
    "signer": "0xdD03ED106abBEF4982159500e32B8602B985a69B",
    "userId": "444965341"
  }
}