Transaction not yet indexed

5U99SJBM7BoERFqd64tQ4T9JFJo5PRQU3Zcr1g6rsJiFRcpJUWwm73jduppeJTA9yumQwFyLjfQbVJrt8ibJDvtQ

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