Write Pulse

{
  "public": {
    "Sr25519": "0xd478d73632aa403c1d145a6446ab7c757b277866647f17e47014fabfe9c24649"
  },
  "pulses": [
    {
      "round": "25,553,570",
      "signature": "0x87e61c8248cb420fdd6bee0271225b3ea886aa8f912a78402ce0739ce4fb0f4baec3d7b0c9f13c4eed91e80b3ae74c7d",
      "randomness": "0x2f0dee8320e8b8aaab72735fbc199d6a875b08f53e4900469d2861c5fc124a64"
    }
  ],
  "blockNumber": "7,408,728"
}

{
  "Sr25519": "0x3afe8d620dd82335b8b30686cfff1f4919897048cc6ffe8b143c03978d3e7e4414708359b565be335dbce05f38a21a5921c026d671a0ed3ac9781ff97e307181"
}