{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6a5d6516b9e6e2c4d835cba308ca0cf6816f3d6e0816508bde99903f29b7d374",
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}