Here is sdpOffer:
v=0 o=- 2579350455277549780 1610962064 IN IP4 0.0.0.0 s=- t=0 0 a=fingerprint:sha-256 04:9B:37:B3:32:6B:FB:23:C0:D6:19:EB:61:85:B6:7F:EB:3A: