Write Pulse

{
  "public": {
    "Sr25519": "0x5ada7b33a4ed49c65c755d60033de7528010eb5442c02ac5500ed22e567d0b24"
  },
  "pulses": [
    {
      "round": "25,547,138",
      "signature": "0x8d8bc4e6dee102d203e7c96e674ab3437e5376c2a42886fa0319cd26bca1bc010f568c15eeb0c1a006a00d22c7574392",
      "randomness": "0xf108ddbb49021b017b788096a0e50938de8a0a03822b658750aa3b1c45323319"
    }
  ],
  "blockNumber": "7,407,120"
}

{
  "Sr25519": "0xc8a7facedf143e1a29e292c30c18606cc0390656314d96c0a9707275c3164a279df03d03080dd59282eac0915881c74419c6265d556e9771acb2bfa4a602d28a"
}