Extrinsic 29925-1

{
  "heartbeat": {
    "blockNumber": 29924,
    "sessionIndex": 498,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x508abe0488d5d3cea9b1718e79dcfb921f56de737d464c9f42d671fe3a9d6d3ad803fa3522a9f65a1c2fb1b1cd1b3edc2b1f042cab88d14b80549321550e1686"
}