Write Pulse

{
  "public": {
    "Sr25519": "0x923fc2af16b838de1ba9d3934555a73acbe3aff5a4d4304a1b45787358d61279"
  },
  "pulses": [
    {
      "round": "25,549,918",
      "signature": "0x89c1f69cc2da7ea1ff628033f22fd86c6ebd44ecee82b1f6bd4cf5b69fe2805cce1b5a39218afef68fccb1cbbf6ce532",
      "randomness": "0x7ec67df1ebf0216d3697fc0d88f2f47944fba3d90ef4daee2a02384cb13814ef"
    }
  ],
  "blockNumber": "7,407,815"
}

{
  "Sr25519": "0x90161f6cfa5286d7f82e4e09e2a5040a600cb2339224cb57af5116cc8e3d6407e812c809e89fcf4a0296a8507f87811553c2b1a1b002bdf478dc0406fd323381"
}