Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,579,899",
      "signature": "0xb44028ca19effe507bb1d10b38a4e24705800528446ef3d32d7e4d26bd678eeabb9ac8cb0024dc03074a116db34b0630",
      "randomness": "0x903f008a3a7e388300657c7af850362e031e02a0ed1673a26e4c7bb8b733332d"
    }
  ],
  "blockNumber": "7,415,297"
}

{
  "Sr25519": "0x4e50ad7e01bd89c3bdb27f8816f704045651917e671e75d95e4bc2fbe5dd2c345948b54352677bfcd4e17e46d05c6b2e4b8be3c90d6e3ceae702ba6f403c6288"
}