{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x436c744d65596a346fc2fbd2f66ddc8c3c5760bc6f7b246d270945f9417016fa",
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}