{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe7487673acaa312906ca49b3fea250f276ee4b56c1065a2c0f81ab6eb44c0ddb",
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}