Transaction not yet indexed

MNB56UEoYYwRAxzNwCfjxte5N3aYcYiW5VwKTYgLbTGusDsn7P8xed4f2bnqXjBb7fa4Co6y3okD3FGPufaNSVR

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