Transaction not yet indexed

21aHBM4awYfbpZ1cwxEzr8qPfqSgP7c6P9cQj1wfcJwQXPBFBXVfc3UVue8V5Ysrqqc8hbovRG3n1mdf8FVgKLMM

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