{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xacf1d1d66c68e40ecf934fae1ce6de7d09db8e1ac1e3f4c26b1d0b8aa07964cf",
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}