Write Pulse

{
  "public": {
    "Sr25519": "0xdafb18cfc59962b92ea75a32675f6c9360b3fbc8de74df96e4223788aa2df10b"
  },
  "pulses": [
    {
      "round": "25,599,348",
      "signature": "0xb8b0dec8b293416832f3151600161420ef911c2e0b37839cd79883004dc46110cc42f1cc7d2879d01388180bdd150804",
      "randomness": "0x7045ff4143c7f53a239e57fd54781962acb98424e11df60d77544f68ca181429"
    }
  ],
  "blockNumber": "7,420,154"
}

{
  "Sr25519": "0x0226b06fcc7314fc7670e180fa1854cf46ef3038ae14b434e8502a9efa3e010491c322bf7e2ba1fa65d80f17846f96e2b1e13f2504093cba7f8891c202281285"
}