{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x214dc97059212ddc4c2e587fa2fa117ac67e68183431d0d22f841b1f92f5d8a9",
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  }
}