{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc93bb7729d3f4880adfe0c02ad9c6937436a741ba23bb78d7e0a0e7157139eab",
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}