Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,560,860",
      "signature": "0x815b42dec3c3069992fd3ad9293f084fb3818920bb5e93bdcffec7c27f1dbdb37425668d2682122fd1d0c1b5a2b4e273",
      "randomness": "0xd1d2e6a1fda42fd5438c94eb9fa470a04261d78677fd59ce60e5c81d9a770181"
    }
  ],
  "blockNumber": "7,410,550"
}

{
  "Sr25519": "0x28f1e704f73fa30cba61d4a4489896d3748c6c11f12d75353c163a100e017e5d719934dbf087dac168e33cb36d345231a06fa57b96ddcc0989a35279b7b51881"
}