Write Pulse

{
  "public": {
    "Sr25519": "0xdafb18cfc59962b92ea75a32675f6c9360b3fbc8de74df96e4223788aa2df10b"
  },
  "pulses": [
    {
      "round": "25,619,912",
      "signature": "0xa58e52396d2fcbf609010ab5aa9048a1361fd837f685ec029ae47db22a999f3c2d7c58825e068c4668612798261bb206",
      "randomness": "0x56bff186ef37bdce6717404cfc61c67d6fa3f29a197650a25412e77587efc4b1"
    }
  ],
  "blockNumber": "7,425,293"
}

{
  "Sr25519": "0x18d7812b5aeb6a4a80f1292f8ab6c388335dde53666e59786835c864b631bb01f7ecb9a8569c778056f05d09ac6be74e0e91b8d5dca72c52d0e379a7abd20f89"
}