Extrinsic 48871-1

{
  "heartbeat": {
    "blockNumber": 48869,
    "sessionIndex": 814,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x7c22185214513ea3886f78e17dfac9cfab1ef3b8509eee008b3b947b46fc0140117c8a2b0f00702486c30e9de05dadf5f07078142944f0e8c3d30e4e39f4e48b"
}