{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x07cd973a232c9f2d2666d4335d74c5263524a5dfaa80c8f877ea87fc49e33b52",
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}