Extrinsic 131508-1

{
  "heartbeat": {
    "blockNumber": 131507,
    "sessionIndex": 2191,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x58bbd58b48dd73356fc0501763f2c09f2c7ff8d6c9993d959f0c386bd2ddc329dda987a2612bce8cbeee41b24e3bea2aea76d50bbb78170f29b7b8caf070ae8a"
}