{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x45024e8bef2ba3a0f05658c02a3d45b4b7906a22346ef745922fde3cd17543d6",
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}