Transaction not yet indexed

UB1mc6Mnp8zg1ccmT1uAJiJQ5PqnDPPVxxsCNpp9zXHCv6TwVGdS9UnS1n8kei3TfGxaMfBdFsFATXEWt6RdD91

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