Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,543,254",
      "signature": "0x8b0edcf62dd99a1ea5d12882aab47629a210a83239c5e1b3e1c4258c260b7206a46a319df0e1eac0b1929d30c219cd19",
      "randomness": "0x90ca1cb250b74f558a56f43ad80ba9af78868bb7f58b237ec2ff1741f908288b"
    }
  ],
  "blockNumber": "7,406,149"
}

{
  "Sr25519": "0x30455b84f9b35fd02a451e0c7e6a1acf604faf8dd776ff5d8ab21f69d0aad318ae7a8d55d746f88f28f8a6f70dc6624da43b49d749bc2b1189c8e0d085785b87"
}