Transaction not yet indexed

Udu2KeR7k9bZgAPaHDRQTg8J2Do9xKKHdagTPmESqnhpCWddWntdA7dSgUE9ChWmdysj7Qkn7G6YPsjHj1nd8AJ

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