{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0541609d4f9cbec128aede0fb6d31612f34e0127195cbcfa83a424c0ef5130df",
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    "userId": "420026003"
  }
}