Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,667,864",
      "signature": "0xac18afe3ea3e5a59e3908ccee2a2b103d50aca9d9b61059819468bab08cc7cebcc844759974079f9a2c9f14e576053bd",
      "randomness": "0xd99a71a6e8eb6a90bad8f2992c3480aa5df4eac866242e871832a8bfdfe07588"
    }
  ],
  "blockNumber": "7,437,257"
}

{
  "Sr25519": "0x02dde0948b8d5b5935760c9739331dd5bba2e964a7a8c3a59605555c9790bb246d78ce449e72e1f0707c9e4bacef14602ee293d4aa68c78c3c2cdb650aca198c"
}