Transaction not yet indexed

52zf28tPU3v7dfVvM8AWgtSh1shDzrbkZU7HfCa9V7vKyXB79A2FNqPruXPsce7wpJ6sLwqWHUcviGxxsiP5Gbf5

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