Write Pulse

{
  "public": {
    "Sr25519": "0x923fc2af16b838de1ba9d3934555a73acbe3aff5a4d4304a1b45787358d61279"
  },
  "pulses": [
    {
      "round": "25,552,000",
      "signature": "0xb77160ad171d3675db4677099d72975105cd8aeaf6a63423b2b2bb5d66d36cade020ac947a4c358aa5d493cef8951c7d",
      "randomness": "0x643b977d5a6811353450e62f5114fb9726ece32e0f394e7ca454e3013f42b555"
    }
  ],
  "blockNumber": "7,408,335"
}

{
  "Sr25519": "0xd4a4b99bd5be0cab881e14630c81ecc370876523ca6af01cb11174ad0c12ca0ad49fc38bb6e505902a290ee174b9f66f63aa7330bb1f3ce8032d1b47d6447581"
}