Transaction not yet indexed

52Mm6ECzdGNLdux4to4fcMhDxRLZdZ75NAFQ3UdREShszdXkXJ9SPQT76KP2Smy7oJsQqPELsgoHofE2jdDknfBm

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