Write Pulse

{
  "public": {
    "Sr25519": "0xec788c8b83cf82b619fc794ddede0b9a52fca4e9d161e06d469f12a3ffed0012"
  },
  "pulses": [
    {
      "round": "25,570,074",
      "signature": "0x87325d736f1e518696df01a839df727a974dfbd10072e6b059493a868775db125a475643e09a851737b80a2f70cb8d7a",
      "randomness": "0x17aa43a78d58fd3ea841279e1cfee991231ab7464ddc8f8e6157dc6bfa4b9456"
    }
  ],
  "blockNumber": "7,412,854"
}

{
  "Sr25519": "0xea6290c6234d344205ba76ebfd2b1930c476cab4361e44b656a94921fe4fd106adfebab1e14f256638380eb4a1219f4be0d0118d9cfbb49b7d8957cf63b50887"
}