Extrinsic 48163-1

{
  "heartbeat": {
    "blockNumber": 48161,
    "sessionIndex": 802,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x76d969d36ed4b1a9269206ac53e3b745be80668bb0b9d255b2469e63fbd5e01b131535a6a3932bb89194b337263e0d16e823762068431e70279d4edd1dfaa080"
}