{
  "manageEntity": {
    "action": "Update",
    "entityId": "166428182",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera6d55fw6mvliypohz26kyvlyftfyyvpor4nrrw2m6ookw67lfr4ba\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2074369942},{\"type\":\"playlist\",\"playlist_id\":1802108437}]}}}",
    "nonce": "0x9f90cf4548a4360ddcbc729a5bfceeb24e6dc8bdf19aaa0cd353891218e126b7",
    "signature": "0xd9852288fd5771ec86fffed21b724957dc9bd72cea1375d3ce41c3b104afac030483fe3e88bc28c4eade49f9c5a56dcad9d7ce8959b763f0e7986264d92eddc81c",
    "signer": "0x866CB73184a8420C302e3850B610761F882C4DDE",
    "userId": "166428182"
  }
}