Transaction not yet indexed

U21D8iFM2dDNcYZMFe4fDBM9zzs9YFn6UK1S4Me3QCS7YLri297tReV1An8NyNDxA9rgGYMYzjLcP9HUfrB2cMn

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