Extrinsic 35473-1

{
  "heartbeat": {
    "blockNumber": 35472,
    "sessionIndex": 591,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xa298869021b7ca7595a5f6c93d620fbadf3fa05bcf6fda7374d26c06b394370f001d6f966b8d82449d0e4784a1282414c7f83436451bbe829cd1570027f6878d"
}