{
  "manageEntity": {
    "action": "Update",
    "entityId": "479857316",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x1b2d925f4cf0f420befe1fb7182ad37b68a1e4d962994c6eda6a01934c101113",
    "signature": "0x39ae296535b01f8bdeaa1503fe60b078ef40854a7aeb00f92dcae3d6cac94eb36a573d0cb436bb050e4fde7299155690a980f36ab01ecbdfcb046ec92a498adf1b",
    "signer": "0xa5Aa26116520A634A6dBeADC3A5e8cBa8b354C24",
    "userId": "479857316"
  }
}