{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xfe4c95a1a9c65a5f5ec84c61cafe0cd01d18ba25291fc7125616fcbb3cc8772a",
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}