Write Pulse

{
  "public": {
    "Sr25519": "0xfafc4334cf90d3c9fb3c18c2a6636658e7fa1183917132c9ef93fd1efad19361"
  },
  "pulses": [
    {
      "round": "25,640,802",
      "signature": "0xb009791a8a2b96f499765433849d11dd68fc27d7860af1fdb6620709bd028e488bbf6add61414ecbf53157b35f344c86",
      "randomness": "0x40e323de21b085ce1c8d8907be40e6805b03d175eb151bbc7ebc566e8397ecaa"
    }
  ],
  "blockNumber": "7,430,512"
}

{
  "Sr25519": "0x8e7b05c2492292bff6e27a668d9b46d5456b9735eb22079d3e7f8d790eef045315d2f41e50a664b180891e7d8d3d4b4c6f166d430560376fd6303f9522ea908f"
}