Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,640,457",
      "signature": "0xa415964fbcf9accf8505fd91bb1e623f5d59d0635f148aba9bd64a5e729f1bc7b8a7445c8f4902a768da41c17cc99f65",
      "randomness": "0xe6c4f7dc6f9ade6ab8feb14ea75f2889ca25d79491170447cb00a382f0186ef7"
    }
  ],
  "blockNumber": "7,430,426"
}

{
  "Sr25519": "0x18bd8b864d9c4aa4870758e2d44366d012ff09362a5f279fe80c2dd1a8183f08b14ca79691b844cd6db877af83b75ca22126d221ecc014d9cea9c9a02ee7f581"
}