{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3c149a8636e9a5e88fc39c0aea3f6bf53a7075ec63abc1c29a9d545d3a3b2ab4",
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  }
}