{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9a1a0e5dc16ecc497b9d4e7267c73ea23b0edec6a73c7cde4ec03128d8e5f8dc",
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}