Write Pulse

{
  "public": {
    "Sr25519": "0xfafc4334cf90d3c9fb3c18c2a6636658e7fa1183917132c9ef93fd1efad19361"
  },
  "pulses": [
    {
      "round": "25,640,803",
      "signature": "0x978ef485511859a2bbd94fa4e477985734c0dccc9610c4e54b391cd3af0262d9a5a399cf2b514c65f61fc04e8a54a30e",
      "randomness": "0xc627668078bb8646e2d78286c7098a1dd538ebfae8c46e6bb1d5f8008d1e11d1"
    }
  ],
  "blockNumber": "7,430,512"
}

{
  "Sr25519": "0x32b94f72ed2ee8df2d5f0b733a4897a266d11abb2793db4b5bf9e49ceaad2429516d0f26a298d7607c3dcd0dde340416e6c468d630246f06067d5b75d0722083"
}