Extrinsic 148700-1

{
  "heartbeat": {
    "blockNumber": 148699,
    "sessionIndex": 2478,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x34e14b28f90ba7c4d2f931bc7cb0f8a0acb0e8626689a546603b21ecb20f271c5c57c4f0d1dcd0cb76511f292ae05ef5ce8794540667714c363e64468ef06587"
}