Extrinsic 63071-1

{
  "heartbeat": {
    "blockNumber": 63070,
    "sessionIndex": 1051,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x3ac07fddb0b0eba923c07f80f711b8701d7a9ace4067317eb03ec988c27c8c72964c80cc99d54da7394230e12c57ddf5a3d80f44a3235d0980036986511f778d"
}