Write Pulse

{
  "public": {
    "Sr25519": "0xec788c8b83cf82b619fc794ddede0b9a52fca4e9d161e06d469f12a3ffed0012"
  },
  "pulses": [
    {
      "round": "25,551,434",
      "signature": "0xa441c6645f4c184e8811a805e2be24429e269b87e770199394978c4373d87e31e991c1961c788255c6d7b3ca37f3d756",
      "randomness": "0x15ad73327873aee9d723e34681bc809565557d1e280ce70d3713c11cf1235d21"
    }
  ],
  "blockNumber": "7,408,194"
}

{
  "Sr25519": "0x265f4eb8c19b9a0709ad7cd6b40b49ed11b2897a89c4ecf78e96d65931d950668a00fd75b50f72e57a046e1021082b52c6f51b3803697032350713a578626182"
}