Extrinsic 11255-1

{
  "heartbeat": {
    "blockNumber": 11254,
    "sessionIndex": 187,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x2e901564af100f28c85eef864a70720e153c644a62f5905c2ec42b9dda1a2a321784a504fa365ba708abb27b5760e6855651146af2f9d6905af212b7ebcf6b87"
}