Transaction not yet indexed

mktgmAXmAC3gKETjaowH6yvakREFjWhxCkm11dZ2vAxFVC9kHKqMzQ1T2Y8XDmdcnvFtU3SGQv6i3qfEFZbdBq5

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