Transaction not yet indexed

21Ais57jkK9gTpoUaUYZMkHGgUEPSbtYhkYoe143ebzGZ2T1wESZ6WiqSWrSazU4eRAF8xZo2iY8ywAxc59CYbn4

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