Transaction not yet indexed

MF6ub9Pak3FaYPoUsrHZ1tAHjifDCeArEhy2qkUTF9Eh4Ct58KJCMzRZoK49WfdSpLfT8m2GcBu732UVaFUv5x4

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