{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xff0460b34664b047c9966f86a5d104f8a7db62d5232bfe15b44210c6a9121e91",
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}