Extrinsic 77087-1

{
  "heartbeat": {
    "blockNumber": 77084,
    "sessionIndex": 1284,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xb801733444c40211d75351b9859381b68afa14934b483a37001a441f7ba4f0669013c46c1cb4ade6bf9ae53af681e59143fecc142f88db704bada54d99544282"
}