Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,565,712",
      "signature": "0x8bc928b2c96d214dc9938b493524ec2b82e27a3d132f23605050d67d0779836d556fcb0686a6cd7eb2fe190a73f91f38",
      "randomness": "0x8c5ab5ae22e8f2f1897c7fd1180ab6ca026eb25b999355e4c5f69f0e86d0e87e"
    }
  ],
  "blockNumber": "7,411,763"
}

{
  "Sr25519": "0xd66396c7ec84996dc67baff4646bfeb031236835fc635c7af9f3d46108df607098bb6bb76a90e0e89097cd1cb522c2cabaa00b1ffec0c6db0d0cd1d091961d80"
}