After attestation is submitted successfully, the message will be printed
Attesting to epoch key 1421637519 with pos rep 5, neg rep 4, graffiti 0x2098f5fb9e239eab3ceac3f27b81e481dc3124d55ffed523a839ee8446b64864 and sign up flag 1
Transaction hash: 0xcfa6432b326343c679285cebc8a7cefbb0489ad4a636d4e87b649d27892bd9f5h
NOTE:
-epk is the epoch key of the receiver
-toi is the proof index of the epoch key
-pr (optional) is the positive reputation given to the user
-nr (optional) is the negative reputation given to the user
-gf (optional) is the graffiti for the reputation given to the user
-s (optional) is the sign up flag to give to the user to indicate the attester authenticates the user's membership.