Transaction not yet indexed

iSRzq21hsAnWbAFPb5RepTKMYDEkVGFFDfaJaNidAhUK5Vo7FrEpLdNMyBeS45iHBfwoyfzDywYPZkCRYSqjdgr

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