Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,557,131",
      "signature": "0x88220da672c4a6a03b3de38073c021bc645ab71668e968cb1dfb3ac1e762681cdfcba1f150ea660ba0780843fa3bfe6d",
      "randomness": "0xdafcdf29ecd251a84ce1bbdf5505a894857a784ac11bda68e63b1018a62afbbf"
    }
  ],
  "blockNumber": "7,409,618"
}

{
  "Sr25519": "0xc220bd473a0e777ab02c550beee3e23c9a2699d2a5babfe0e96a5d83ab79ae63cf9a04ecdd6c381bd22c89eb16bd23f16ba968c734c7db09046e1e1b52813c80"
}