Extrinsic 13007-1

{
  "heartbeat": {
    "blockNumber": 13006,
    "sessionIndex": 216,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x2e5b3cc4b68671c06524d2e3b1da20423fdb6a197254f59664a76b6828c1b5385351645b881028ff5225e51307892eda9a38b95cfc2ca761b02c4bbeced7f788"
}