Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,568,327",
      "signature": "0xb55bc0af8d6df5b112ddb57be70e8cec89d104594f12b8f11b69bd65ef1890e8c2aad3f25e70bda7e0fe905e2ad6a04a",
      "randomness": "0x895d6069b5d1bc8880567b3cb87fecdc2f57a4049595e2916fada09e1dc6e59c"
    }
  ],
  "blockNumber": "7,412,417"
}

{
  "Sr25519": "0x30de600f73c24f9194092ce010bdbc3b317f724f26877254579457d7c647ad6817dde213ac322c57fa43d8cacc6185d2db5b1e2ec63ece5d32e255c79990ea83"
}