Write Pulse

{
  "public": {
    "Sr25519": "0xfafc4334cf90d3c9fb3c18c2a6636658e7fa1183917132c9ef93fd1efad19361"
  },
  "pulses": [
    {
      "round": "25,549,762",
      "signature": "0x89319e945d0daa88651a06c4e6287c87df830022abe84c32b6384840307837266fa848e6834163fb22cc421bdc6dc2f8",
      "randomness": "0xe80831f617314aa13d8fde1f96b93402226b30146e9861db01f06083f87e51e1"
    }
  ],
  "blockNumber": "7,407,776"
}

{
  "Sr25519": "0x3e31865e0c823116c00578b6a1bc642888a107ad4491a80b75b4770ca625bf037d4d2b0ad55dd4d1be23eb79669b0956b3256dd3c2bf8c1d80590d051b1a7680"
}