Write Pulse

{
  "public": {
    "Sr25519": "0xfafc4334cf90d3c9fb3c18c2a6636658e7fa1183917132c9ef93fd1efad19361"
  },
  "pulses": [
    {
      "round": "25,548,564",
      "signature": "0x8c19b3755b0eba7944e89841121d3522023fc6e1dcdd83604df3f7700043dbc7c0f0ba3b98921665e39a25a67b07e903",
      "randomness": "0xa6921df84d19ea664343d9c562356537af9235c73d1e42fd75070def6adba142"
    }
  ],
  "blockNumber": "7,407,476"
}

{
  "Sr25519": "0x42d2855ac4c6c4fe26550fe23bf02b773787164f776b340e5f82da08e2e2292bff32297004794e601c0fe578ec4653e8684ca5a0a1dc41298116840feb457580"
}