Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,600,136",
      "signature": "0x96a6f3be0c2a5127e912a1803a90d0828b50e823b7435751ad10d1558385f42de30e45878437c25b48803971b77ec9f0",
      "randomness": "0x30596ad78c68afec09d7dde688bcab24beafe6934a16c4a18ce08b842ff719ad"
    }
  ],
  "blockNumber": "7,420,350"
}

{
  "Sr25519": "0xa4ec0f94ca0dace84d7ddbd7f6b5138f7e5b50e7df7e7b7252aa07746d8f6054bba5eeae05c935560236b04831b8a8965b239c884ab70c2ebd9e5a5d4e40ad84"
}