Extrinsic 52710-1

{
  "heartbeat": {
    "blockNumber": 52709,
    "sessionIndex": 878,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x62c48fd87dccd2071bb699ac9d17bd543966aba896d865b9fcb4fe4b47144e512352a0c5bcb6fb2ae176c2f7457626634bc2abaebd2c8e492c821e65df2bca8e"
}