{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x34bbdf2a18b1f15020ab8fe097940dda6d5e1392f947d4eaecdb5c9559ad95d5",
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}