Write Pulse

{
  "public": {
    "Sr25519": "0xb2d7ce3e75c398ab506ddf8953e06bdd58c6a17412037afb8764efae7e94c04b"
  },
  "pulses": [
    {
      "round": "25,556,140",
      "signature": "0x99817d4883304a88e838c56087a895fac2fd129f8252d0fb276294dd4e991e3dd9581b1eb881b8f189ff7086b7998d6c",
      "randomness": "0x87406b469be72fcb19dc1eced041f4ce2deac24003c03dd7478da0bde0278be9"
    }
  ],
  "blockNumber": "7,409,371"
}

{
  "Sr25519": "0x0622fda70ecd9f57e9b3f8c83e76e9b258990de3941e89e1fd53056cd1ced924488a43c5f2258dd71d32802b449f6dd19e65b3b5b983d28e804adfa468898184"
}