Transaction not yet indexed

21ACz9jLwidTwD5tadEQWGQNnKRYaCEbLtPECrBwbN1ggmfbPH7r8qDu1dqui3V9maFFqmvis9fnsfZR8W7cFhRQ

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