Write Pulse

{
  "public": {
    "Sr25519": "0xfafc4334cf90d3c9fb3c18c2a6636658e7fa1183917132c9ef93fd1efad19361"
  },
  "pulses": [
    {
      "round": "25,552,802",
      "signature": "0x99b55008123ad430c3f7125022c59848913bc4f2e5025fcc6ef8c2bbef68c0cb66608edba71c1cce11f77954794caa9a",
      "randomness": "0xa554419068c0a738fbb8b6596035f234c823abd5d06538402a0d9460e1e334e2"
    }
  ],
  "blockNumber": "7,408,536"
}

{
  "Sr25519": "0xb47564e4bea72e643597f11d3cda8a1950fd736f9d601e76b68080dd75f1980fe0e0b0d45da407a0365217e0521b26a39df087e35750199b1ba44dcbddc9a881"
}