Transaction not yet indexed

Md19NGvJUWephc7pJp1qAZcYVsCM7RWUXNhsKF9zvjW6FqNxTdPCdHq2a7PQs3dmpmFwrdwmpaEXSfAdnHBJuPo

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