Extrinsic 72391-1

{
  "heartbeat": {
    "blockNumber": 72390,
    "sessionIndex": 1206,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x94298f73fe541d184f524e46859a619aea04d8479cc8622f0f6083ea9134a022f2fa1011262f7636107a3214b91149f1f2930305254e4913830f2beab7038a89"
}