Extrinsic 91475-1

{
  "heartbeat": {
    "blockNumber": 91474,
    "sessionIndex": 1524,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x3e55dae1ba11aea8c609315cc0716d80df970ef6d093b42e8a2f3fccbe394131716a1c0e54d8ae9cdbc957da2e1a5d2d47ee478269a64508f12b3acff30d608b"
}