Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,628,411",
      "signature": "0xabb64ecc116e806ac99345f95382c02fc6df950b9edd427f3937fb68e310b73bab802ab5e084687a42e8a2d380739f51",
      "randomness": "0x96231b247fac12de1aecd2481d4ea210df3636ea7f3f81dba96a92e8c5166077"
    }
  ],
  "blockNumber": "7,427,417"
}

{
  "Sr25519": "0x6ea3ff221e1772a8992c226326ec60fa473ed7603fd5f607129c81ba7345f972231f4e1d6ab2a4cffd8c1d91cbdf85569042d863feca25784e045578ccb65188"
}