{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9dca0ce27ec96e2d090c668bfd172334e9516341b25c5807cb3d22d3cd0ae2c6",
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}