Transaction not yet indexed

MB6B7uQHoWB29SFNz3vCkQeoLUEUcU7pEYH2S4MkWveYc9ZKHxSnQnQdJiQTK9NXs2jbAHLMYN9WkrELD1j15Fq

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