Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,569,574",
      "signature": "0xac719142183407d8d970b0e8250a7af9c5e91ada7d04f2a63da04d3878822e0f38d14641aa7fba8f68f9b04b2e18f888",
      "randomness": "0x806dfbc4c0c666d8e0f99183402c3271457ee3308efc63889a0b52359ab5c7cf"
    }
  ],
  "blockNumber": "7,412,729"
}

{
  "Sr25519": "0x1c86626da3679b8556b06d0a197c001046d3584ad242bb67a2036897559cc916ac8434a54516bc788e7f39dbaf20ad08fe49218841cd0df1965c3848731eb689"
}