{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc48dc3140c3511b00d69b9ef8b6eb6343a3b21196935e9c889ca764e80e51b81",
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}