{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4adc4f772d43c5af852f692c0df49a74143656512483331a4cce4f30ad9081f6",
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}