Transaction not yet indexed

52AZ91RDQfMWnNZfy3stPLh3QKisWUotAg2aFhhLkqc4u3gghgSvPyN2zGy8TzdbWD5Q1TWPBGQU7o7WHRtDfp4n

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