Write Pulse

{
  "public": {
    "Sr25519": "0xfafc4334cf90d3c9fb3c18c2a6636658e7fa1183917132c9ef93fd1efad19361"
  },
  "pulses": [
    {
      "round": "25,555,203",
      "signature": "0xa97d66152f462c6239760856c3772643e65bf7d44cbe8466db63d62958b2152691e4c0deeb6d1d922a3602cb54a351b4",
      "randomness": "0xfac4feec306616694beb00c89c01c54f3e014bbcab0dde445bc7705bdd017250"
    }
  ],
  "blockNumber": "7,409,136"
}

{
  "Sr25519": "0xba90d48507f72e2d437acbe6960ed947a11345e9817586d4be5102a690232b35f8b341a514f723f4590450f3e19ea631fad3115c07f3ff4e9a80692b74f25885"
}