Extrinsic 56304-1

{
  "heartbeat": {
    "blockNumber": 56303,
    "sessionIndex": 938,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xacaa727c5b4e3f52a1ba4876b0944e08d786b11e47d5278de9cfd6d34eaccd36ead734c3bd2ef3414161a0b092bb036fa948eb2a8e885e3ef7db1f2fb7a3bc88"
}