Transaction not yet indexed

53pfRZv1RQCF9AXAw2gJhACjJ4hu5CwoKcffwdExnwsDAXm6TmpZYXJb1G2y6jPF4iM9EmggsMfdHr1uWNuhuYu8

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