{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x23676b14ad516c0f136a59a208a395063252a0ecde00bfbe685f9ee2b46d4fc8",
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  }
}