Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,553,949",
      "signature": "0x8caa9ad8429f4716706bda369d25311d78eca88066c56fa9a3dde535949d158c5ec28ff4c0e020ad0d10d490cb97153c",
      "randomness": "0x337892be178b291dd4419c0419f490ae55c31652ffa9ab1710249c23f05d5f75"
    }
  ],
  "blockNumber": "7,408,823"
}

{
  "Sr25519": "0x74587b53ec4d1de4b95446fce64f3bd0bf6c9571c557fd07a5632c114366fc13d04418c01a1e0b5888dfea78cbc00fd422c0e7eb6168561b04781b6bb357658d"
}