{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x82b162a7ca9595c3d10c44fcf4026165c120b4dac9380a2e73667cc62df5d15b",
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}