{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x682b9953c272230487b699206d3c95360b23d43b3a6795b736a11b2669923140",
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}