{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xcf478a4b2c22af3ade604072533c5cf71347fba6b62a0c1ec9efc6804c4d8e85",
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}