Write Pulse

{
  "public": {
    "Sr25519": "0xec788c8b83cf82b619fc794ddede0b9a52fca4e9d161e06d469f12a3ffed0012"
  },
  "pulses": [
    {
      "round": "25,551,513",
      "signature": "0x916e7f42fe167d87ee54990e3840263408904fe7d54b677dbf7f162a2595eb23d1413500f4bb54482421868591e15bfe",
      "randomness": "0x76971545102b14a1580452424eade9b4065e1b0b54311b21ca9de032f72daca4"
    }
  ],
  "blockNumber": "7,408,214"
}

{
  "Sr25519": "0x4a014f52816fe63f3756a435212f4b4769d394fe4d880e3c8a6d86a7ab772a4c969a3d57045698eacb2ac6705e3151e58d8172fab006780377d838cd2d919482"
}