{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x515610a940fbba8d2bb86c2bca1251ccaa53a2037c28e5767250166a82b4b3c0",
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}