{
  "manageEntity": {
    "action": "Update",
    "entityId": "233040069",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa4a3ba061e77bbdf8f1d3b72d300541d84a2f408b69d499515cb18eb872f531d",
    "signature": "0x9add0a37c636a6097a2d2f3f1897adbfb32382f286062dfdf3e22e59fb32b0887b10829f7efc77c8004aae0a12f13f9e13a2de59d7b4b8302e1955b25a0de6cc1b",
    "signer": "0x1f321AaD107eAA50a39561423E690D469Eb63B93",
    "userId": "233040069"
  }
}