Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,569,978",
      "signature": "0xa90f4a2b5fb01ae45ce1e5d67232af01c84da61fb10f8324a19c010cc694f97a497fec10990a2c6824cc8813d8d5b3e5",
      "randomness": "0x4f1b86c6b3f93aa98b901809c88fff633b8baf1df8ae4b86961a83745a5331fe"
    }
  ],
  "blockNumber": "7,412,830"
}

{
  "Sr25519": "0x84ccf2d2c82be48b2c228f32433fdd4d5c39456a933a106298b502dbad326c0f9212522189159a246ff74b6d684f4b9fccebc4f6d41fda3524417307ee4aef80"
}