Write Pulse

{
  "public": {
    "Sr25519": "0xdafb18cfc59962b92ea75a32675f6c9360b3fbc8de74df96e4223788aa2df10b"
  },
  "pulses": [
    {
      "round": "25,632,630",
      "signature": "0x947b4c20a022b98097d0cc498b0be8e73f953f811669538123afa8bd27ffc19794f77fd0caff72e7c32f338484e15e55",
      "randomness": "0x6338bda604fca4e4f53214717d666f331a8daa21aa0060115dff3614d9c10aa6"
    }
  ],
  "blockNumber": "7,428,472"
}

{
  "Sr25519": "0x6a7a52f8daab6195fbdc481eb8494b417e943defbe304730bc2edc2474f28d4c1b807e00c6341b22e7352c81792b4a591fad8e431e12289e156e7c13646d2987"
}