Write Pulse

{
  "public": {
    "Sr25519": "0xec788c8b83cf82b619fc794ddede0b9a52fca4e9d161e06d469f12a3ffed0012"
  },
  "pulses": [
    {
      "round": "25,559,755",
      "signature": "0x9449beb17df2fdd4d9fd526b21fb79bcf923543609d71720388a3a099cf7e05d3b01e32b08382b7d714dc70e55d0a8b5",
      "randomness": "0x08b8f66521686fd393a76aaa0f6b3661375a367f1879205f04e47b25b8f2d66a"
    }
  ],
  "blockNumber": "7,410,274"
}

{
  "Sr25519": "0x5e49407ea7367b0845fbde81cbc6ade536f99c5bc6c15d6c5e478dbb0f7e133c4f22d78168567a89e8717e9df7944db46134ff0c7a90765ffb0b7385df6a4a84"
}