Transaction not yet indexed

28McDngyZiiuwBDtHaJ6GW9TPTAGh7FBY4G8M9KXT8s9ueWhf2MEy8ArTLsaV7N2D8GGbGGFHqDgZuTAK1sCPGM7

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