Write Pulse

{
  "public": {
    "Sr25519": "0x923fc2af16b838de1ba9d3934555a73acbe3aff5a4d4304a1b45787358d61279"
  },
  "pulses": [
    {
      "round": "25,651,038",
      "signature": "0xa7d255166ae0a0b6f14348e76fca032088e4183a4943e96dac760f2e12be58fe2396be975d26c8ed326e192a1b51d42a",
      "randomness": "0xb9b4fe9d4f9904565e0f377cca234e0c5b8c9de206d3b809759c0d9404531d58"
    }
  ],
  "blockNumber": "7,433,064"
}

{
  "Sr25519": "0xfec0c4f201190073219d0e6b0290a59ac5573487a8fdfed72d09615d0763d3515142a64defc96d2643a45ef6cd689583214bad42022416d3a95ced4373d42e82"
}