{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x546cd10c47105bc7f26ba22f96c07ec5d1f889378a872b7b5959c8e6a9907dfb",
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}