Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,542,111",
      "signature": "0xb80e567ef109c010c2a3f3aee94a1a697befc08f384e1b4dc6056c858f5ae44d017bccb89a971905f43cb4bf88847840",
      "randomness": "0xcb705003de45434f7fff851704e8df5f08862564c87102795ff99a68575f5f0a"
    }
  ],
  "blockNumber": "7,405,863"
}

{
  "Sr25519": "0x7a7707bd785e142dd4032411c8de68804754d051bffcd254e5b0be4dd5780742dab866d791577099bb712a4f39aa2a424c356b72dc6d2d5c3bd61265e1a4ab8e"
}