{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9636f87fb6d971022847f8cc02ee608bfb06270c711439d5ebc2c9b3363db1f3",
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}