{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x45607d86b418da76c8eeda1fbb38d2f082be3959e1ccedb097bb6419ace8265b",
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}