Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,577,765",
      "signature": "0xa1391bdeb36fd3190b7811dc107bad0c549ff1e42cb703c4497a7703e66c25cf5d73981a5269380a992fc09c3292563c",
      "randomness": "0x3c6365e9663a878241ec2334ff5d911d1fb1857648f7aed1d748af013db6729a"
    }
  ],
  "blockNumber": "7,414,777"
}

{
  "Sr25519": "0xc6cc27acc59fc5458e0f526e151233cd0efd155ade69e031518daaa06c26fa61301cf54c8d68a8ce362b10875567d5d21538ce89aee45f564c6bfd6cd7398085"
}