Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,550,510",
      "signature": "0x99cf8ffea35fe8ab6daf9c894cca1bbf73fac2de6bbcb8c902c7f216f2fd52d3d5485550ee3cb763faab8ebde40cd762",
      "randomness": "0x03731677a31efa3fda99d0bdd0cda79252bf2c8d60ee2b07599e789cdbfdfc07"
    }
  ],
  "blockNumber": "7,407,963"
}

{
  "Sr25519": "0xbe19573f5298219c040fd3bffb87ba5657a17459224ca150d4a11536083ce964f537b32bd4fdfcc39c8185036796b4b772415fa041f1ee4eedec18a996309a81"
}