{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe0551d2c7948f638b8ad7647d5b3c69fb79537ce0049b663ff356dde6e2d194f",
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}