{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3cce779fddf62ba5db7bfde7fb7ea6197b0e0ee8e84d45c6fe7fd15d0471452b",
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}