Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,602,009",
      "signature": "0xb4ac83c58994129e82d34edfd22991d633167ed01c9c6f89e0fce2520ec3907141fa467ad98252581e25553597e59f47",
      "randomness": "0xd159aaa063aa426ccfdcae56579df28aa2c1ee4543047ec4a1660ce0b92010e2"
    }
  ],
  "blockNumber": "7,420,819"
}

{
  "Sr25519": "0xccbf1958f73b6fe2674c3e7b26a25a3a3fe7c70ec07c899230246d6226058661a555344b6169fe7fac0d766a813f3bdcd52519c75cc445d11ffaef049638a38c"
}