Extrinsic 22209-1

{
  "heartbeat": {
    "blockNumber": 22207,
    "sessionIndex": 370,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x30a4ce1edd71eb6c61e0d214e2499c19a857543f4950a34b09602ae611999f732818fb36a1da974db7bb2442befa408c4630a1334814efd62124791e197d3c88"
}