{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9c4f8e31532381c9e1eb992c474eed85b410380f9e9ee5d9aad2838592b78062",
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}