Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,609,496",
      "signature": "0x802873eec9635596dd56d280b0db3a03262dd7c002f1fb7415953d0f0e4eed11a45a82c4a9f7a91e493e777e1ccae75d",
      "randomness": "0x0ef8e44df4cd756a62c62017f44aadb898d4e6b99299122afd0c82af347020b1"
    }
  ],
  "blockNumber": "7,422,690"
}

{
  "Sr25519": "0x02f2a7b55172ac5748549637066904ad4af1054a9592b84d8fdcd9612b861a77282eb21c894ab6b31301524b07f06c8d5ee9c0bc65c3e0fd9039cebc901be08f"
}