Transaction not yet indexed

MQXKf3AuZrExnGD3rdw9pYyWZGvuq4cbQDa59WGCWqGUkqXmp3zt2xJ73TZTGxXPW1R8prwZypoFTP4EVMiymRU

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