Write Pulse

{
  "public": {
    "Sr25519": "0xfafc4334cf90d3c9fb3c18c2a6636658e7fa1183917132c9ef93fd1efad19361"
  },
  "pulses": [
    {
      "round": "25,649,042",
      "signature": "0xb90441fccf4ad8bbc9773d00a0ab5c39b30509297190df831e5186551a390a9c75848400a5b8f4007c9f7e756415f827",
      "randomness": "0x438526335b751cbd915aebcddcebc74acff6bea2f7ff909541f7868761789189"
    }
  ],
  "blockNumber": "7,432,565"
}

{
  "Sr25519": "0x4c105bb6b9c1607a85646338bbc654fe09fe3e6eba9d74f6706335c326a7d656f24201175bd33d4f67ba3ae076c8967b67752f8e8a2af41e6388aac90d2e1388"
}