Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,604,669",
      "signature": "0x9693fc268e81a6fa4ea23b7a7278ba00fc35d9003e54cee8691c33e34556f3ce0555cc51115720516ca622fc8fb65961",
      "randomness": "0x4c6bca97540d5b779d752f482478af2eec6bc1011bd2d4ec861f2ac5a8c10a1d"
    }
  ],
  "blockNumber": "7,421,484"
}

{
  "Sr25519": "0xf437afe09c8fe7c84d6bcdab0a28b91690f66d9ed71cc54935f8eacae4732404964dcbd05c0b225c80803b56654f4375aa274f7a3d367661ca7f9956b62b1587"
}