Transaction not yet indexed

Am8i8CXPYkGRY5LNvSTrxSbapRC4CRTgB8NfT6VB5AyzBa6D28P5FUJ4GYFqQfQL7GwrZRpGvDZvqy74B8qSXGW

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