Transaction not yet indexed

MmiykLoiUxDv8eSk21v4s1MQWoY5c2A4GmxvMgBGfQt6JgVJPDkcdAZzAbRdUtN5CgfJQtwPtXWVdujeivSSCd2

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