Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,579,014",
      "signature": "0x97a0298abc66aa458ba36e23a76a1ab02930d21268a74365390444a33736343fbf70f13942335c1138265e4f99c36334",
      "randomness": "0x478369ea044f9c53da058eec3c4e5a19530e1b96a25dcb5e184f41f37d3b3ba6"
    }
  ],
  "blockNumber": "7,415,089"
}

{
  "Sr25519": "0x1efa4e65f9269750e2a3eb416e7738bd1ed282af3489f01a3c921070d5194b08793edb3a86222db249557a20940153b6abaece5dac94330fc8a78f53ba79ec85"
}