Transaction not yet indexed

mQZb21u77GjuWxZjHC8isKbkKUYSy3xeg8y47pKnUHxwqzGYsa74R6oGn7qQKQ1xFf9vwV6kJSQGvitQpPLKgaQ

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