{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd58b15c73e352b9d2d1d63a62fec1a316189cf3b7f9be18490ea6e6d03662f55",
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}