{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf1aa208fbf0f81c8f4153b0b1433e7a25f432e05ae3efe02433edd71869f127b",
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}