{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x17b6c76290dc7b23c37df0ea38908811270063ebc86c463e30d86747c9c3844f",
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}