Extrinsic 123404-2

{
  "heartbeat": {
    "blockNumber": 123402,
    "sessionIndex": 2056,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x8ee0b946da13249845790a2677b12f31ca08b2ac03cc6a3d6116316538997e0adcf4ae6cb4f9aca55d1c970952eba9ad1513b926e618d895a5c517cdc087de87"
}