{
  "manageEntity": {
    "action": "Update",
    "entityId": "179777073",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe430263ba4fe4a3284a8ca3fd5529040f3067233c41d0dc85998ec04d9fb51bd",
    "signature": "0xbd3d37765699ad51e38d91c08cbe2e9f7f175c97d25163c5f47d0f73674022ad06934ddbdca6e507c01a2e972645238b9424579021256a88f15a06ea06c8973c1c",
    "signer": "0x303fD6F7668Ad0AD901434B85eF391E249785A2C",
    "userId": "179777073"
  }
}