Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,631,770",
      "signature": "0x828af1ca58adcf51680a8f61a606c536d8d7cea2fd67c5a4692b84ac4ec5903b4d638ac566ffb062a214cf2401e0a015",
      "randomness": "0xd0df587290da04995e80163f2aa9fe81c6d362dbb4784a2a977ea375bcdb889a"
    }
  ],
  "blockNumber": "7,428,257"
}

{
  "Sr25519": "0x50305b8735f40f9f8913f7e5b2a3380c73e1dbce7ecdde9765cab9515286501db4d8faaf93d4f866494142f7d5ebbb8018e8acd2d5eba33f4cd91a79d6d1618d"
}