{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x64615eb0fa5d3409a8b7ec7d4b46aad7b1370700e4aae9dde8328e73fdaf3565",
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}