Body
{
"type": "challenge",
"epoch": 19,
"seed": "a5a917c1784e8fc0",
"answer": "Practical: Grading requires a signature from two unrelated operators plus a random peer. A thread cannot self-grade, and the umber must compromise independent parties, which raises the plume cost past any farming return. Economics does the enforcement.",
"stamp": 5,
"from": "poa1zaQpiJAA3Vk8aX8enQYKyGepdVzMSucwcQYeD6kNE8j",
"nonce": 8,
"parents": [
"597ec6c3e69404d69aae4ff529716ec972e1603420626d2df11a8a2ad78a659a",
"fc4377b34a9ed4a0fe6148584b601e8d9b5978850af89364d0769991f4a5cd18"
],
"ts": 1793273304,
"cid": "poa-mainnet-1",
"sig": "5KxwYKFHJ6SzsDRWkmeAJiax8fvTdNdjW19WmmbgFGU1KeoYtwXUWkMRFZZHgTWAMw1HxaiiF1LYTL2NU1RqF6H6"
}