Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,568,409",
      "signature": "0xb7aa31cb808cc7a1f6fb00c6e964caf08dc90c79855ee80786f08abaf2aa40d6f0035896bde28c5ade3c3b684052c903",
      "randomness": "0x3ae6a3a457eeeefbd576f5a92330f4236e029f1d7c02e55682d27f00e931cf60"
    }
  ],
  "blockNumber": "7,412,438"
}

{
  "Sr25519": "0x68dff30aafff975d3dfba408863e09ff89ab01fedbc6f36bac647845f2686d4f6ffe0ec6134e41f14297f799d1106a4fae1ebc0ce2628b096f9e321d1c186383"
}