Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,554,588",
      "signature": "0x99d6a732d2eaf957c43dedc1483ad550be4c19dff8ec2a60ec2ccc5ddccb9c73447a570392899788f44dd9c098d630a9",
      "randomness": "0x0afedea4e973e067adb3f304d2500928cf8c0344245c378258de28bd382d228e"
    }
  ],
  "blockNumber": "7,408,983"
}

{
  "Sr25519": "0x7ab46106200b604b66ed08f680e8f62611bbc441c98afd298e1ac35e0e6bf467b86775bac6f6f38b873e101826f86b63bfe1bbd49eb43d390c64644c70c3ef83"
}