{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4e13fb7b96b1206a3969a50024ec6e6f9f9f5cc62deea1d002b70e5254250bd6",
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}