Extrinsic 25630-1

{
  "heartbeat": {
    "blockNumber": 25628,
    "sessionIndex": 427,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xe042cf8e99d57d5c8cb52f7fa5113680053d9f66b5d987cce7f2b0d63e2f9b7a7b171ebb86189d60530d54339a5906e55db2bd9f06eeb71eba53bf1b31899d81"
}