Transaction not yet indexed

mMmpJMnAMzPu3CTUjWiE5mL5q7Gbd9we2i3Exdp5T6byh1YLhZRDV8sM191a57jqBUkvvEjT8nWscx2bDbELhVD

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