Extrinsic 45815-1

{
  "heartbeat": {
    "blockNumber": 45814,
    "sessionIndex": 763,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xf2c25937914c19fa4e3414bb06f8e19b5dc5aa8276fc9dfaf648113b286cbe40ca3a5a8e17fd81b5139b50ac6719b6dfa987950ac9263fef61b006e149e12a86"
}