Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,544,489",
      "signature": "0x962b55b094f17f6818cb7192ce661d1fead529359543151410089064d1c4a5ef6f6ed3721055fdd0c2a323b97f7e6a1a",
      "randomness": "0xc821e56564c6d9dd89825406a9b8c6f83751b07474cb49acf7202982596666e8"
    }
  ],
  "blockNumber": "7,406,458"
}

{
  "Sr25519": "0x04db8287824475c79bc5973e3b34cb9bac0a0d8163235fb9004ba1ab14278f6e6c33cc8d97493aab52c7ba7983abb2959576cdf65611b6480138fa795b7cdc8d"
}