{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8743b91dad04e21a1cf6aad43b619b845f36d0d27eba4f32d0df33024a33d547",
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}