Transaction not yet indexed

ypKS1pw9ydm7TyfyQ6RYcpCo3BQhTJDTrxHPMfM1jddLC7ETkbPQoQjffj6PW8s4rkDbjhDSpCLDaPPRsQmSjt6

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