Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,612,535",
      "signature": "0xa42a90454be2c64232de90dc3408f9d9932c700d5e5c1644a0eff9ddddbd2edc5e1b04fc521e84f6ee980481d46acd23",
      "randomness": "0x607377254c382499653d31c31aa251d5028ba10bb10ee914e7a5bd2337df05ff"
    }
  ],
  "blockNumber": "7,423,449"
}

{
  "Sr25519": "0xa450dd5b83ed111320aff13692c103f63a9cbd08de7a21d2a73c22654cee2a274df4ab91768c4f0d26956eaa8d6877ecb011fab3063deca52fc0c130d0295689"
}