Transaction not yet indexed

Mx3H7EDQkqnSbZziZrvinCtsk78KeJ2DWCFsAAEBBVEDjqSMPcA5Fxziu4FaV9JSrmVbWhmgzyAoo7oTTz5zSZ4

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