Transaction not yet indexed

1kAc3E8Dto21tt4koXgCByKUt5S6thX3fy2v2dGWSYXJCmbhSeBCZoUWKJVVu7sgRR7H99yiqR32oXbYNU9Msb6

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