{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb782167c8c0cbb9dd18aeabb18703a4819c4af3bc13b2f2266e0a0fcab99c209",
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}