{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc65f2fd60c1d09bd17d115ebdc9dbcf10deb6e8eba8c4122d48d8df9027e2f89",
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}