Transaction not yet indexed

478kn5rUFsfCy43D91NXxRJYU1jrf3YP4WVC4toMYcCPrJk2xk3ejNmmn5JEyALtSzx89YUpejXMQU9zHPfMBLL1

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