Transaction not yet indexed

MJffNtJdKi5yUw75K51LiAbNs1oYmcTYWWcwHNfXsPfTY7gyVJE3fFvzwdhCKmw5URPBVg3QspTwzaNcY1sfeBy

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