{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9a45e15bc9ae27dbc8e06b2db2c75dcd642b1d2809d5161a5f2391c2a78dbfcd",
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}