Transaction not yet indexed

UR55X64ks9fEGzzcDH4oE9ynJz7FjsEFj755kiumVPMhN5ByCYVY2sGQfEFRLaTRqZSCgUjqtbKP7CdPEUa7NgR

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