{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2483865d301dd0c17441750bf946c84a03b20ec16657a62b98e1a776644beb2b",
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}