Transaction not yet indexed

UMN6FJfhiTm5Bj3Pwxc2svyTTaX6nWuFgN2ghZyxAGWUGTRxMKHAtG3LZhDSQwEB9rPyS7a6uSnnMqe7Ch928am

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