Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,637,336",
      "signature": "0x99e8cc6d76ec9247e96377e29dc2816670227e947ec71cafe0b47d5ddd73d67468f2c579a63573bd8d0e3ee45b29b96a",
      "randomness": "0x78c771a48c1af8868d6332db3d91a6db9ed16196e71ffc0f37571c41c57d2704"
    }
  ],
  "blockNumber": "7,429,648"
}

{
  "Sr25519": "0x92e12ba515aaeaf37acb1a0717bc66d10d7ab21f0e99bd78ab7710ef3c85d7241d5d4154ef456f290bcd64b70b42a87eb40ced463066334eef56cbccfb2cbd87"
}