Extrinsic 48149-1

{
  "heartbeat": {
    "blockNumber": 48148,
    "sessionIndex": 802,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xccdab46736597600e4c147ad60ceaf43d8a18aab9b2342b41e718fe9a7ef98683f5c70698ff21be7b9dac796e0e0b924ed04395de344d3e9b001e8abe3503888"
}