Transaction not yet indexed

MffF8RpXkXe9F78eyw5qg4X4LH2tu3pScT8P1KHeT27kpw9qhA2gWaxLomZStBKMSJGzKmqBBMb2oxfCddHKNwD

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