Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,553,899",
      "signature": "0x89e33b8c3792e0aa820e9cf76695faabafff04d089556b63d5bdfd07e4bfc882480e2ada82850ca398f2fb7dd8331df6",
      "randomness": "0x9e3fccb22f49fd4639cbcc611d7867875c09f8bacd2b7efa34684ff6cecc9944"
    }
  ],
  "blockNumber": "7,408,810"
}

{
  "Sr25519": "0x9e2850861641290e170ad47dbb1ec380d42512e1466d9259323ac2c70b931c21052086fd415b882d8918a5a3138c2bd9cd652d05e1ac68bb82600d61e4c96483"
}