Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,539,790",
      "signature": "0xb6c074ec5a2ac86d886fca69be7265046651ed6c08f0b79e452a1b331019f98c7d60d3ad1cb2ea72438077f7a226933a",
      "randomness": "0x77670374bf6dcdc047c7ac0256287c4e580460854f1104f3bd7f85d0ed04ef76"
    }
  ],
  "blockNumber": "7,405,283"
}

{
  "Sr25519": "0x4ac2e3d95872835f773484ba716d95c60ee646493e6dd2cf2fb89ab6ceafba343b729f916df9587242d9df17dc33ea7fd3174256ace02c9ea0e29139c1b5358f"
}