Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,551,551",
      "signature": "0xa475bc908a672cf148d87613e3dfb7e344b16125435ea71055c046367da4bc4ad05186a081c1da3f2b69e1dd9306db12",
      "randomness": "0x5ef990322f921777d1897d9ef6416e5a79b718ec96531d13aced61962b72aab3"
    }
  ],
  "blockNumber": "7,408,223"
}

{
  "Sr25519": "0xaed3d23c54946256908cbbb7fd16cb62d5417983b09a6cf0f4bcd34c482bf90891a0b0cad4e64e2c3af64abd333a7cfcd8912e24982fca13110552f9b7147783"
}