Extrinsic 52347-1

{
  "heartbeat": {
    "blockNumber": 52346,
    "sessionIndex": 872,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xf67595f546d76a8a3cc51b037438a11777bb447d4e81ac9af82608f570f59528cabcf094d91802b0328ca2fb76a51c31383a9980c0fa6a2732286407f15cb283"
}