Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,548,509",
      "signature": "0xb663db3a0abeece5815b5e44531c4871e808c6a66b3d118a0f93403e3ababe54dbb5902a5ab5bcd656645f27bb16f155",
      "randomness": "0x42c4f9df74180d60cc92848c98c752214300e4cf51e631bdc44b3ac3fa8d83f3"
    }
  ],
  "blockNumber": "7,407,463"
}

{
  "Sr25519": "0xc03a178d378b818e4cab3c96507719da95fea83daec51333d5f947c32a337a2fae154880e13da650ff5099d4f9ae86a233d05da32e5e7788d22246064e2f8c85"
}