{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8bc17f69ef9b1f04bb0db7da1331c7a245381063417e5d69befa46c6e398bcc0",
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}