Write Pulse

{
  "public": {
    "Sr25519": "0xd478d73632aa403c1d145a6446ab7c757b277866647f17e47014fabfe9c24649"
  },
  "pulses": [
    {
      "round": "25,546,450",
      "signature": "0xa5b71d2e2cb2f6def2b4ff363fe2d44ac339460143bec08ab7706576a0c6676987457e99151bc2ae515fc0b3fad1379b",
      "randomness": "0x5a05dc1f52716f3bb086f9b196c4b95f7f11dc8bc55ebfea4707c33c21314ec7"
    }
  ],
  "blockNumber": "7,406,948"
}

{
  "Sr25519": "0x78b650f34d80b88cbff825550bf80132ea8a851a6b4fa09bd5f8e8f62243e102578f10d612cbfc6b6c9d29e5b4f572d66aa189d097d47a3191f3ac8b4575508c"
}