Transaction not yet indexed

21NUnkxTsKJTARc7r7YSUBLmZfgs6AX6dfdUupKr3YJjNeYwq5qLkjVP6NsCb6HuARYuaJ6phApZJqdbmPpMx4gG

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