{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc4a4b477dc17f782b36114d2c5af50717e44c17fed9c884e87712d0fed1c8b22",
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}