{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe9d0ba1daa4afbc3b90baca5887acb9469ebe91a80564cf818d097a035fc6a1e",
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}