Write Pulse

{
  "public": {
    "Sr25519": "0xb2d7ce3e75c398ab506ddf8953e06bdd58c6a17412037afb8764efae7e94c04b"
  },
  "pulses": [
    {
      "round": "25,578,141",
      "signature": "0x81b3a99133e2faf5eda1149a0dabcf08a15767a42970ba1b91622048c25400b27b734eca5b06f89adf203872fbdc2130",
      "randomness": "0x68c984487bcf77268052605a1694c839f622d0668246f6843bdf908ac0b4aac5"
    }
  ],
  "blockNumber": "7,414,871"
}

{
  "Sr25519": "0x7441c37986882ceab2d99b0c57862534c6e50f0b88d1ed1b285d79a0bc07bd3dfb9cf4c119bde95eac6008ebea8e8501cd9020ac31862aa80d130de537fa5884"
}