Write Pulse

{
  "public": {
    "Sr25519": "0x5ada7b33a4ed49c65c755d60033de7528010eb5442c02ac5500ed22e567d0b24"
  },
  "pulses": [
    {
      "round": "25,619,538",
      "signature": "0x86679b3c143cf7d94f8a9d7a006f67d5445955aa491a2522cbc725b09e17c34f8a244f41e05175277e1e9c70e4c7fddb",
      "randomness": "0x72703a2b2a3dcd1e8d5794d99886c2142912debf381fef43d876b89867a2c03d"
    }
  ],
  "blockNumber": "7,425,200"
}

{
  "Sr25519": "0x5ab74c8ebb90fd207a92ef05f3170f69502777a6d044c69ebe0461e5821f4d55c0eb02be25af81350974d08ea3e226c0f1e082b998536f347427377afac06784"
}