Transaction not yet indexed

Y4A91KJUpfpKvjYhNGrY6UQpcBSDiErW2MoR3j1dSdqTGroTqu5x3CjVgSdVKyQApemTcFXj8SiCc87VUmHsGkZ

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