Extrinsic 7632-1

{
  "heartbeat": {
    "blockNumber": 7630,
    "sessionIndex": 127,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xd49902406754220caa946978d4f140ffa4db62fa6c9598caaad863aeeee4263ef821dbe3b66a794d5e6ad4b79e7d3bbe565d13f828a53827d563da09dd088b88"
}