Transaction not yet indexed

MMgo3qr9ExGpgcLV7ooXJPE6uuRB9E9gu6oWtEdcxeHJTMZFsMvwXLaEaPb8FzqN82PustA2GMZdqdg6bbJkUn8

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