Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,549,770",
      "signature": "0xa3a583c14e06e54388fd0695988df235344a5d80d9b64827bdb32e6d7887f21871e1cadc815ee65bd31553a5f8788b9c",
      "randomness": "0xf4302d72da10f4519e473c288d3b2190ca4b5ee61d76c33c5a6a47b49d22e154"
    }
  ],
  "blockNumber": "7,407,778"
}

{
  "Sr25519": "0x8ec9b760835f011392adff58413d08e09bcdf8881c50cbd6aebf284f8845440e846ea5f9507c62476e17f8d6bc57a37c591e8803f6f3dbd59ad7e6df451ac887"
}