Write Pulse

{
  "public": {
    "Sr25519": "0x2a95700579638573152cf41d600ee9962d8c1ee400eb671d9306a8987c1d564c"
  },
  "pulses": [
    {
      "round": "25,578,928",
      "signature": "0xaf78700d409b121788d99fa3b2810eec681ce9bd86e574c3fbb6b72a3ffc929fd34bf70d2d5255100c48f56887a14a4d",
      "randomness": "0x9f2b4294f17a05789ba8a668e63c4d6d1aae179c405dd58c029c206cc6b3ee00"
    }
  ],
  "blockNumber": "7,415,067"
}

{
  "Sr25519": "0xf66583e06f108f1b2f0b0af3878f2788727c9a8c21117d1c7de48b3905eed427ccf43e65a0c25bc134f0102e9083a2e196d009eedc46e7e908ffcca2accfe285"
}