Write Pulse

{
  "public": {
    "Sr25519": "0x2a95700579638573152cf41d600ee9962d8c1ee400eb671d9306a8987c1d564c"
  },
  "pulses": [
    {
      "round": "25,552,048",
      "signature": "0x818837956b580c8a3e9ea1ea7302222a56fc8826c69f8359d3454c3be799db1ab6e56c70eb23341e1245365159747765",
      "randomness": "0xa9e07ccb9908fce51d85c3d9dadd37f7b01ded80d45bc7d164e75e03fe98c2f2"
    }
  ],
  "blockNumber": "7,408,347"
}

{
  "Sr25519": "0x0a47ad16a7ac813ed3d23a477ae0e6710631544df18fb7683107f8cb38b0a936bc22dc24d239383125dadf0435e8ed09bc1f3f9478bd315456fe3d254d27a183"
}