{
  "manageEntity": {
    "action": "Update",
    "entityId": "587222186",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieramuznn3f37wsi2fuudw64r2c7vxt3vbjlg5sfaq2kq7sr6gltx74q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":168903567}]}}}",
    "nonce": "0xd8875bc160ed17a3aefa8a4c3bc1302d07313585a8255d2dea7bf7784ff0d47e",
    "signature": "0xb99290cdb37b5d28ac5570f66ed750119e2c8cfc334b30f9b3525bc90c17a22c5adb010df992c9f507c1df270dcb32e8afb148cc6e2f97fe33ce3378a644d9481c",
    "signer": "0xBc3A9a9317eeA7f35feb992242360A3Bb8D6047b",
    "userId": "587222186"
  }
}