Transaction not yet indexed

51Mb2JBvV6UVqvmFf5fVaq5SpCCSzaRWSzojCyRR2fa4kX6zs8wcdjaKhcijJVjUprQ4EuhNrLuujNASa5Am6Rus

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