Transaction not yet indexed

mbmCu997bPTgmkCNmKrdqukhJuUWHKXdyudn3vdZ9aMg9MtEkJq3waUyJftSfzt1bmshRnbpZ6eumtVJ7Eiv3Hm

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