Transaction not yet indexed

AC54MkRzNKR11cTfVcb5TsVrv7dByPH7jcfJWjBffGDzDq2NbJPyfamp4bxEer6cCbPv7MsBvYCYoDrVT9Z3yrx

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