{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4559d9104d6461a4fe970511c6d0459130985fe36cff86f0949ae5f14ade7a6e",
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}