Extrinsic 57132-1

{
  "heartbeat": {
    "blockNumber": 57131,
    "sessionIndex": 952,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xd803812ff2da438f02271969d46ca256d55cb69df3c57cf48752ef6735dbb06b8159e760f74973799e399b9bde4b4f0020f08942b14e7c4e53a4f634d15c398b"
}