Extrinsic 46787-1

{
  "heartbeat": {
    "blockNumber": 46785,
    "sessionIndex": 779,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x74a17247d72d6db3fe8c39d0623fa336aadf17833669a652d9aa4ec42aadb80dc2fa6cd654b1b2505276e1c7e79175bccd604840214ac6c89f8284753846278d"
}