Transaction not yet indexed

RKu9TV4NUcqwdUGyg2eMCqqM3CsGQu8bwRQ2RPr6JGezJdebz7E7WSz7ZmduNzKiCPVB7u54rfdwfzoATwMwEk8

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