Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,549,096",
      "signature": "0xaf8689623f86f7317e6595cd2cf6340fdd7b18e01e20766d967165c92feb44c95309e21e0fa12c969cb3d8e2d0c6dc69",
      "randomness": "0x2ef6b150b81e42adae8e1c2a7666f927c7b34db3476f70aff394d421c0fc70c2"
    }
  ],
  "blockNumber": "7,407,609"
}

{
  "Sr25519": "0xa2e7ec630b52d829267d224ef96735a4a1b08233704ddb6a4df0e0d51fa85375a3ec6506a315efc1f30835daad64e5ac518244b9fc55a1f50470146e3be80c8d"
}