{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf35872e5a29e168d3d2870b7a6d1a7ae74e04802cbe8fcc170f3b0bd5986222f",
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}