Write Pulse

{
  "public": {
    "Sr25519": "0x923fc2af16b838de1ba9d3934555a73acbe3aff5a4d4304a1b45787358d61279"
  },
  "pulses": [
    {
      "round": "25,540,160",
      "signature": "0xa640785c133dbf75513b6728ef01e100f5c3662708ad60afd71b5d80893a39d08f986d1d68903166a8ece19835d11e59",
      "randomness": "0x5a055c3a647da97567e31efdbabd479b110e2886e6ec44868e710199857311a9"
    }
  ],
  "blockNumber": "7,405,375"
}

{
  "Sr25519": "0x9a5fd9f31ecd7d4afb0238e246cdeb063c7717468c1eda2d49134bb21a3c3c69db53380483c1a2046e32ffe66eb8d7cf352167732aa44614c245fe6acb430e84"
}