Transaction not yet indexed

Yb1gbbEPYmCsqVMDKjhUDwgAjB93GELLdQKY6RPCNfharqjKE5KBH3QUGnm5bgaScdCKu6hsJLfV8cqC4v7zpN2

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