Extrinsic 131354-1

{
  "heartbeat": {
    "blockNumber": 131353,
    "sessionIndex": 2189,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xc2affb5f9bad4fabde6642ffcf2524f11d4e48cd2fea00c301ba4cecadaae5608ce88c5f1df5b0b7641685ca1159449458dceca5d806a89f493e0aaca7c0e185"
}