Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,580,902",
      "signature": "0xb602ba2864d719358ba5ea9a08905281f68ac78efbea002971e1671105c938d6a6ed857a0f0b13da6fc7e9c930d381a5",
      "randomness": "0x84b6731662e7f745f257d2b751a508bb89f58b7e465c7379539b42a097bb6474"
    }
  ],
  "blockNumber": "7,415,548"
}

{
  "Sr25519": "0x52b367187839d2c1fecdcf095372369f02d9a6860023ff1145a2c3d948a9840f4ea6c5e61530848e4cac6571a2a1a2713a4d344d248c2fc4c95b026bc79a5b89"
}