{
  "manageEntity": {
    "action": "Save",
    "entityId": "449789752",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6962b49fab2fe0eacd904fc04625b9729c1d074da3377cea999303716a76158a",
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}