Write Pulse

{
  "public": {
    "Sr25519": "0x2a95700579638573152cf41d600ee9962d8c1ee400eb671d9306a8987c1d564c"
  },
  "pulses": [
    {
      "round": "25,550,925",
      "signature": "0xa81cba2e18801d2246e4b233cebef6f2685ece086ea776756ca0eadc7be455f0fa7a392493e96b26fe16645767725d87",
      "randomness": "0x0963ff2f5746253ea03a24b102ee84776a21d966a9fbdf79cc67c81ef3f3c65a"
    }
  ],
  "blockNumber": "7,408,067"
}

{
  "Sr25519": "0x7406fa03cf41b240bc6255f6c488a64d45b9866f78cc2d08f046c22ccb7823147460a3247cfc51b713a8f59c6af6c9888ff9a34318568281fb9a84e2533a728f"
}