Transaction not yet indexed

Yb6pUjcznTe2M2LwMgw38Yq9pB1MbykMgShbGJCHqLxZ7hKbf6umtF3EvfFNLEeyfbUNpdHud3t974WVLVJQhj2

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