{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x294a6c0a7f00633c0f3d6a6fb31a0c951b69a1670e4d7dd18c9c24c0143d43c5",
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}