Transaction not yet indexed

5u16MY6xAfxVW42GGHQJiuKPTTpnQHAPUNMp4T3FuxaFD4gF8BHU6Aqqb52C834KCuLzwJLGtLK2ASmXqyNWoLUc

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.