Transaction not yet indexed

21Yn88Wmv7AabWzZCDK8iufR5s6R5eU38h2w6GoUUxZdqe4tR3sYwia6ReocThPfY4A3cUrGHksMiDDECP6QBFz8

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