Transaction not yet indexed

21TciA2RWvGJKUpCwFMC2tZM1aQzMBN523KhqaXXq58ToJw4R59XpGS7b3i5X5dYxfsnBUuRQTUCLkrUNSfNLaaa

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