{
  "manageEntity": {
    "action": "Update",
    "entityId": "13235162",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x02d692ba2c39494fe2478e62f9c547f765255448faab339070c537ea58021a05",
    "signature": "0x9d9a0a61ea10eb64f8c850354f816376567efab9c99041747f21c300ca0eeb2b0a27109cc9a43f4176bf3b3cf4f3fdcdf6af0fa1a37217560b075936ab2b6fde1c",
    "signer": "0xcbEc1668C594D4917a6aF46Ef5D118D92B3b9a5f",
    "userId": "13235162"
  }
}