{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xaa13646b71354db039c7102c22877752474e47d0230ca67407faaf7b3d217460",
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}