{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3f210cf6d2a88a14cdae8217d8a3fddf51a1a3ab7be6e1706455837dc7e6694e",
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}