Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,620,135",
      "signature": "0x977eba6f4fbbe5ffa0449afd19bfe3816e74f3c2c3bb7ea60da6100a4a532340cc4f9b65250ed9ecf4784b5c58b1f4df",
      "randomness": "0x290bc92ee1dd6197cc733bbb81e806562abc4664d9e3b77b11935e35dc51ae5e"
    }
  ],
  "blockNumber": "7,425,349"
}

{
  "Sr25519": "0xd0e7c1f95b914deb80d8a3dfa412fe39eb8051931dbdd251c007ec1c61ab3f7b56d6651ed8670dfe51f6ab39521f987e6eb23751e2e8d7e27885c38c419fb285"
}