Write Pulse

{
  "public": {
    "Sr25519": "0xfa823f5b350ce46a9d53f4f7d4365c0b2a20efc82c5c03394195ee166abb0137"
  },
  "pulses": [
    {
      "round": "25,603,766",
      "signature": "0x81c9641cefc4d3e4972e3422cf925bcfa5a77a5d1386a4895df0b7c7be4d296b8882a8256921217591ffc3ba17235045",
      "randomness": "0x524963b46c1d62f521ac6e6a073e8b5388742e23984c66201a49ed3d6aa385a0"
    }
  ],
  "blockNumber": "7,421,258"
}

{
  "Sr25519": "0x2e1858ab4d0604ff7981f8a85b80ecc9e84a229d8293192f52a505b158a3d94358d054790b265524ae1b4037a136fc1d851d85992a3500c18a5d0bd9eca0c68a"
}