Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,564,349",
      "signature": "0xa2950ca82e127966178cd2be8b2584b659b708c53dc518dd5edfa2611a08206347441c8c79f06e815e5839c9d2083fec",
      "randomness": "0x9912de5ae4100fe2d870601061685b4d5d919522f4f61db1ed7b90f19df2115b"
    }
  ],
  "blockNumber": "7,411,423"
}

{
  "Sr25519": "0x3a6cda155a72ce214ba7282a4907f3401596c50341b915b4602bb862b9eaa357c7d4f86415ea7c6c452dad7d3f52738f8ee291c22d8f95f33a3e88fccf678d83"
}