Transaction not yet indexed

52Zexf7421UsKeybJQaZuXpWcvai3jvBZSUuZPSuk172Vm2L3HfTtrWXu4CoFPa7NHNF22GuVCtLUcb9PfGWLmUK

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