{
  "manageEntity": {
    "action": "Update",
    "entityId": "811405177",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7e0bc0d36167efa49d199647a9eb36b0b7805712ed50e5de33c19b2c61ab326c",
    "signature": "0xbb6fe935c77a6eeff8ca0abea86b8b3abea0486f992de15a177704e73115f44b102dedbbcaacd67c02ed7a4668d370fcfa8628ea656601b435c3d55088b65d961b",
    "signer": "0x362B4041F3aCaBc18c2Dc9DD38ED4FE8D51e31B3",
    "userId": "811405177"
  }
}