Extrinsic 74625-1

{
  "heartbeat": {
    "blockNumber": 74624,
    "sessionIndex": 1243,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xc22bedb50f4bc39931bcb0dddfa1a511a3b836907be4411c6d61d59845080f5fb4e5d5cd65ad9abb12fc0569de957a97d00611d19e80de59ab74c07a70c6ff8c"
}