Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,549,544",
      "signature": "0x8611633d444c25887c4db0e8393474677d01cd4b04826b60ef7e148152f21105480f62107d682b4d51ece8543753e6d8",
      "randomness": "0x780036669e86141024d7b10e82088486d7d57261c84e0531d206e1951a6ded9e"
    }
  ],
  "blockNumber": "7,407,721"
}

{
  "Sr25519": "0x34ac67b1a589cba7b04601a45d63a36d2194bfc1224d994ccf8b1f28dc2fba1df797cc032503a66423dd132ef5972588d1a51264feb8fa82af1cd59324874288"
}