Extrinsic 90453-1

{
  "heartbeat": {
    "blockNumber": 90452,
    "sessionIndex": 1507,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x32977cd413d77a82c9ffb6d6a5c4dce6426eb9ed6442b1b1b04a0da9e8455a4b28d8b7721c55312e416b0fa470e9718261ff02964181ea9a17851bdff10a498e"
}