Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,568,294",
      "signature": "0x9370eb541514d99f59b2e51afcaae1dd47ac367896aacd495a858f88f6bd2a2b74a167d5068602856222fcbebea9350f",
      "randomness": "0x69fb8808e83349abc714cd63831aff3d8ab1f07404cc85021544fc56228b86f7"
    }
  ],
  "blockNumber": "7,412,409"
}

{
  "Sr25519": "0x3676c959152c43fcb2c43e6012bbdbff23cf7d41ce326649163287b6b60c6e5aff91ce960ea4a2463c60651c1d2a8473b41a83b639c504c050ae551306e7db81"
}