{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd36b9e0298a80de9d3323cc1a246e60610c1654f442a14ca243db72f5ec8afb4",
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    "userId": "86042210"
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}