Transaction not yet indexed

21CgnzTzPsA27yanBv56eGJdEJWWBuBAbMojcjGAW4bvxbJmcvUqGWcVKTgwQ2PRdCUXmyyCSL8sKYtRSY3EzoZP

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