{
  "manageEntity": {
    "action": "Update",
    "entityId": "624671989",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x58c687e3c779f0a4fae1682b2692acad227ff500297377519764946034b91937",
    "signature": "0x4acaae84769d67b73a59bf1660e8cdbe80e2c046f473151b05ccd767ea09636a061feca8dae3586315d269211ae0ad71be9430c491be98221fe07ae02226863d1b",
    "signer": "0x5aCa7b450F98ec754Ce05a5A9A515eb0AC9EEa19",
    "userId": "624671989"
  }
}