Write Pulse

{
  "public": {
    "Sr25519": "0x2a95700579638573152cf41d600ee9962d8c1ee400eb671d9306a8987c1d564c"
  },
  "pulses": [
    {
      "round": "25,545,887",
      "signature": "0x8b18a34b90d6876bb8c2cb34e708fae537820fd481134753f290a92455d93f7b15b3dff57c04fa66238455739be7947b",
      "randomness": "0x05af34f5306d582ce7578c60f5d7a00c70262d53d58a22d902ee9851b4fc6f68"
    }
  ],
  "blockNumber": "7,406,807"
}

{
  "Sr25519": "0xb4088c56196366b4c8b964acce3493305b971692c86ffc010ba2480de055665d03d75e469a7fdc144f9d3187d36ede627eceaf4b608fd7a936e5b613f2e21682"
}