{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdc078c8a47f6a55f25f651f09aa82a135b04b018663a3bd0c96472f66c2ab0ae",
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}