{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x50164f644b4ce94fd20e4d4d4766ab9eecc83e47b359609a004472691d801056",
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}