Extrinsic 75944-1

{
  "heartbeat": {
    "blockNumber": 75943,
    "sessionIndex": 1265,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x064bd73ca35443cf41d84074dccb1269a0ddd820ef48dcaca126246f7abbeb0c811a4a828509466529862bdd78c28e0f352fba7fffc91c74e995bbbd5d0ff986"
}