Write Pulse

{
  "public": {
    "Sr25519": "0xdafb18cfc59962b92ea75a32675f6c9360b3fbc8de74df96e4223788aa2df10b"
  },
  "pulses": [
    {
      "round": "25,551,751",
      "signature": "0xb9400e604c9456995030e3db626af06d44100a9ab91edd773c9bc22ace9b8960db6287c33ec156e26ae0e65ba6a07f03",
      "randomness": "0xdcdc8db98068ba51fb4c8584916e46f5820e888d0fef74de5e5fc4cef32049c1"
    }
  ],
  "blockNumber": "7,408,273"
}

{
  "Sr25519": "0x78f1f57b5ba4e3de9fe392bd70f97792010e54708b1646ad7c33ad4d97407b0cbcdb4d4fa13d4a080afda4782af42cbee509e262d48a011408778a9ab732af82"
}