{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x032c8609af0bf4563a0c3be23c1455ed30ef158bc4f1719ebabaf861dca7fb5e",
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}