Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,645,337",
      "signature": "0xa9eb2cb88f21699926bf4095c2bfc39a7d1db4ccb567c963df24beea0981c3730cbf28732ee282172036cc7c48e4c51a",
      "randomness": "0x219e8571970cd70ccdf9ea7373400d663ae72d7da0b28197e6f73c4f87cc9920"
    }
  ],
  "blockNumber": "7,431,639"
}

{
  "Sr25519": "0xb05b2903468cf60d7e7f555b643221ae207e28e73851771fa91f380f0af49730e0c6ca2110d8394136f0be56cb029a222d2632662aa269000ad2be8cd4f6a485"
}