Write Pulse

{
  "public": {
    "Sr25519": "0xec788c8b83cf82b619fc794ddede0b9a52fca4e9d161e06d469f12a3ffed0012"
  },
  "pulses": [
    {
      "round": "25,554,473",
      "signature": "0x98827e4b445017e4410f1152ad46e1c1a0934d0c1ee1d0464cd477bcbdefc14348a5658e859c20156e3c5414541376e4",
      "randomness": "0x057d977e9e8952be1fcd10531a23b757602fd4c6db38a042f315fc63cfcf329c"
    }
  ],
  "blockNumber": "7,408,954"
}

{
  "Sr25519": "0xb2c38d974db731930e30ae4e443809d38a34a42687435ba44b46169ed755523050c4f658167071ef1b2a5ddf6780a331d0555382d86c640a89a49e6c3c597189"
}