{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5efe9d088b2d1d167463459638ef7cc7b39b1e8eba52cf43f9337407fba6d9c6",
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}