Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,606,172",
      "signature": "0x8beb2b99c9c7bd05b19a0d2b9ab3cb0b6f4f91136daa1ccb92622b86d242ddd30952358d58408232b1eb37e22303dfc7",
      "randomness": "0x01c890bf9c9a125f71a7dd23d512c24d13b364656c302e872b528ddec05d6bd0"
    }
  ],
  "blockNumber": "7,421,859"
}

{
  "Sr25519": "0x7256464bfe84e610dd579cdd83de302c9ccc6ac68b4414d801085b251d967d06b24e7fe12d6cb953a62fe5f0a700c1618300af00872efa23b6e0bbab1a2ff088"
}