Transaction not yet indexed

ymXEcsXbM4xhXa3GYHgSpo9XHVBjPQAMejdLiH9oN9RDPz7nK4PUhszMiDq8b9AZDkzAsmEFcbeN6vwFdtdFmoS

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