Transaction not yet indexed

Ai19SMuvGDvvbyat7i6p4upcVZNFKYVgsfkD7FwCNVdjte2djec4Dkz5HYqp4LLbxqx69JQAFRbbx8hLCL5XMrH

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