Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,556,909",
      "signature": "0xaca1c2649db921baf90e8e437015b893ca076af174f23b587317ccb75cbeef37fa7532e1309b31dfe944d37f83b1f1c3",
      "randomness": "0xd61ecc838bc4cb19524546369506388b9b1d5971843bef8cca0509f4870e0317"
    }
  ],
  "blockNumber": "7,409,563"
}

{
  "Sr25519": "0x78df4e869645b36b4d04ecc7ce729243f873f8aca8e918401d52f64ae6485b1f6d722f83de0729a1506f1aba927abf331758a96fdb0e8d6b0574236648ddcb88"
}