Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,604,103",
      "signature": "0x881918434f229855762c78d593f30c2c3a9f367a9f725998c51e46e65a5807fd53f750e3647a80334eebc9ee9e023d9d",
      "randomness": "0x66ec4fbab6e71138b9818dd905fb3345f24ac4e9e478b692656b814cc1372568"
    }
  ],
  "blockNumber": "7,421,342"
}

{
  "Sr25519": "0x98e54854ab8d2980528584a3020c9939bbe90d112ea01023b87f687771412b252f28231301fc216af40cc69b05711fabaa0ad961ce0018268b9b4b0018678783"
}