Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,553,526",
      "signature": "0x99027980b0339048ce2b8a63706f6a262f4fd5efd183a30b46a58c38d79d19871d47f57a7b092338ed99e544226f1287",
      "randomness": "0xd05d78aa67567982c8e684cdf10928b1f2e499bec91e13f84b33fab32c4ac37e"
    }
  ],
  "blockNumber": "7,408,717"
}

{
  "Sr25519": "0x769ea35dd8447aed99a47eb26e931f59df0809eb26c934a77feab310b2b84434a32dc0a10d2cb5b824668059e25f604ccf424ecb9b88a5050ec30439617c1d86"
}