{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1c23d014fe25af6ce0e7bdd3a51762faf6ba1dfc655c8abd682556597dda907f",
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}