{
  "manageEntity": {
    "action": "Update",
    "entityId": "487406085",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2d88e94ba9f52ad5569f3b40a1dbf1a290a5140ebdaf0bfacb8d1405e0cd8a54",
    "signature": "0x556fabd5286e0f371f00b555c6e4c118b5bda33be3478cdbf183c3b30a22d3ed0efddd0543c1fb9d8e3284376efe75d2adff864265a6ff9e2deb6a4f7cbd9c851b",
    "signer": "0xc2B329a6bad81Ce4678601c83C7F923463663872",
    "userId": "487406085"
  }
}