Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,550,774",
      "signature": "0x81246bddb10092074a6685214999b54402eebab778859149711b81f16ea80a02eb3330e8d9f7485bb48f2d15705c982a",
      "randomness": "0x6a85fe4d05267585b15f1b037009447bd2c13d2b32a50c5f02f709fb7a8bc95e"
    }
  ],
  "blockNumber": "7,408,029"
}

{
  "Sr25519": "0x06f74b936b6b85ecbdefc0c6b11f2e0119b962d9206731def9026c7eaccdd53357df78e6d14254795c87dadfff3df54665b6848023a2de13f2aa876ff5d5b189"
}