{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7342f8c17adcce1d426bcd082975813da48aa7cc3cc886ceb248aa5e2b0ea42c",
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  }
}