Transaction not yet indexed

MNGAcAkWkVFMd3nCvNj4VnkYLnrGboDBbzkSLcSakADGPVykqJDqeoVXzbpP3KwX6WzCMpUA64EhjDwc4neDYr6

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