Write Pulse

{
  "public": {
    "Sr25519": "0xfafc4334cf90d3c9fb3c18c2a6636658e7fa1183917132c9ef93fd1efad19361"
  },
  "pulses": [
    {
      "round": "25,553,281",
      "signature": "0xb26a35429d34048e7e32f57894d3e45669f26bf5c520ec50e3e3a6e2830b4b8a039fd833a776235d795095c1b180aac5",
      "randomness": "0x769506514a952aa6c277077bce168f4579c748edd99be963d352dc05fe188e49"
    }
  ],
  "blockNumber": "7,408,656"
}

{
  "Sr25519": "0xf20b5bd72e7a516077a87f03a293af64e617f6a31cee8eb9880576720a004e4aaaec638379de30a8b0a4caa89ba5b53f86e79e223d6cfffdd0c575d4684fd888"
}