{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9c6fadddec26c698a578e242f9be2d88bdca5905e0b35a5ae33e8c1ab7e313d4",
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}