Write Pulse

{
  "public": {
    "Sr25519": "0x923fc2af16b838de1ba9d3934555a73acbe3aff5a4d4304a1b45787358d61279"
  },
  "pulses": [
    {
      "round": "25,558,959",
      "signature": "0xb288767e884dca142a536ecbcf42050d470819ec97d824619b175e19bb6961324af303655c97d29d51f04206c22195e8",
      "randomness": "0xb2bc42ee8bb21d70e76a496b258386fdab677f9acf748d43d992d16fa67727eb"
    }
  ],
  "blockNumber": "7,410,075"
}

{
  "Sr25519": "0x50f1c3a8a882bdfc1b7ccde8b1e4890ab23dd6fb79dae2151a38f598f2e2836d595f0bee05e9afb80e1a03e422b7f5825fadb40b6d236a8c4f7b39c5535ac887"
}