Transaction not yet indexed

21Kacm4cdTZZbuhmARjSNnijjdZ8uoMSnNPNFD7mdxgQfxHmWJ9TXptZe7o5Jfa5FTE43KdsoV9kSCQNHraopWNT

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