{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1ec106cf6a19b857696c185d66499c367ba81b2d58e8542b1ff37eb248b33036",
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}