Transaction not yet indexed

mxSmmdRPDJxK4444GyFaKyGYB1UCaoaou1GZeApn8NELRZvPeyUN5JyNfpgvv7uu4WNrqQDRH2MTAS4EmNJTGd1

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