{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0710d361589b933fecec540151f3dd66e1fc028f8714c2f8d6acaec39871e8b7",
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}