Extrinsic 25475-1

{
  "heartbeat": {
    "blockNumber": 25473,
    "sessionIndex": 424,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x2e55640b0152281222827f4ab3ac3e3e7682e946cd706e0d3d1730afef4e667ac049be8afd393a8caa00ecb66fa9e1db96d259bc605b16cd4eb81f5f7413e789"
}