Write Pulse

{
  "public": {
    "Sr25519": "0x923fc2af16b838de1ba9d3934555a73acbe3aff5a4d4304a1b45787358d61279"
  },
  "pulses": [
    {
      "round": "25,571,518",
      "signature": "0xa4d4354cd53c139525fc682a40c674728598e4561e59f7299e60d587634e862dfb910442b083e1200314c12f85b61812",
      "randomness": "0xc0e0748fcdda1b6a6c9caeadf3a7df3639f6960018a0819057a333c958afe860"
    }
  ],
  "blockNumber": "7,413,215"
}

{
  "Sr25519": "0x28bfe6edafe88765042d353782718f052caf79bf200d615e2a03833912e3912c4683f16119ff1705f434463281cc5fe5a5e351a765f03462fe87fd1e88f17f83"
}