Extrinsic 48579-1

{
  "heartbeat": {
    "blockNumber": 48577,
    "sessionIndex": 809,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x82f33b3ac16aae93da710c86be5c60e945a575538dec190d98b8edc5996bbc25ea2374a2a2f3c4179892f07e5ab7cca9521c3ff1ff4b07b03ebe0f2a5060ee86"
}