Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,558,407",
      "signature": "0xa4426e64057d94e154114093711b1631aa6c1ded4dd69b235da4cd98e84e0e60d7cabd46ad6df4f4af24c52eec2698b9",
      "randomness": "0xd72d1529a567193b63c2eddbf5efc21715a7822c3d75e59db50250775344ab32"
    }
  ],
  "blockNumber": "7,409,937"
}

{
  "Sr25519": "0xf408113c92b6a1d3a128dc1c17a115f8ab58f5f9a24c7868f04dbd6a6f4e4d29abde1060f15cc6f00bbe51f0edbed5071e26938e1cd3254a314d45b295f6e088"
}