Transaction not yet indexed

21CTtPQEHfGr1PE2txi5eCFgSdbEN3AHaNcK3jPyueZxzxmXG8fo8w2173cUUbVHBh6f5hbZEyfEqNeHVKe2FQz4

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