{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0c9cceba77562dcd6b3620f9cbd6d7031ba5218fb498727370613d3466ad6956",
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    "userId": "295777906"
  }
}