Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,552,135",
      "signature": "0xac53530c1371a94c586981325603e763875b108ef5dd35cedbaefdccbb14748bd0f32c3b598ce938e8ea08af11e4501d",
      "randomness": "0x89f1e8b6101fbce24f63d154a90777ce0414fb789a371a4d23a340f110acfe72"
    }
  ],
  "blockNumber": "7,408,369"
}

{
  "Sr25519": "0x6af9df90ec2f5b6185e9f6726a9f0ec5401ad6be6143aa8c7903624b9229115ed16416e6164b4a157208491d9019c62f0d1030b7bb868e23979c1752e83e678f"
}