Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,588,486",
      "signature": "0xb517f59a2aeeb5be1a71164a44a46b30ba5b0b013fb3cce11ed602d32b88d7523293198aeb9040cc00073b1041245b9a",
      "randomness": "0xaf6301855e755a308982da645f9b8986b506c508edd451c77988a3dec82456c2"
    }
  ],
  "blockNumber": "7,417,444"
}

{
  "Sr25519": "0xcec99c90f9d83d7a71ec0f14b1a9e2347994f3defa0d7945309b51f82e4f424686155e85e39f7e52c5ffdb44cf46128207ad117d0d266de9046c85d2f15a6680"
}