Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,558,331",
      "signature": "0xa77f0f3ab6163ee9397b9976c5efccb6a616ef68a902f92b0320b096b5c77faba614cf5e8beee44a4744c2fad1f3f790",
      "randomness": "0x6a73be7ef19aaad38328ef180bfa0d68ac5dc723bc9c6ca470d8b6edf8cefbfc"
    }
  ],
  "blockNumber": "7,409,918"
}

{
  "Sr25519": "0x70242f4254497a5054da0a57158e245bd0d79b1eeef9c2cbc4a5004923b4f86e76fa657f498f28e5694ee801a6cae212fec89c5d16fabcefbb3427064be0a88b"
}