{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1c2268c2558a1b4cdfd53ec7a13506d4ebbc3d0aa71fd88c1d54f022e2fe10c5",
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  }
}