curl --request POST \
  --url https://api.uniblock.dev/uni/v1/json-rpc?chainId=137 \
  --header 'content-type: application/json' \
  --data '{
    "id": 1,
    "jsonrpc": "2.0",
    "method": "bor_getSignersAtHash",
    "params": [
      "0x29fa73e3da83ddac98f527254fe37002e052725a88904bac14f03e919e1e2876"
    ]
  }'

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": [
    "0x0375b2fc7140977c9c76d45421564e354ed42277",
    "0x42eefcda06ead475cde3731b8eb138e88cd0bac3",
    "0x5973918275c01f50555d44e92c9d9b353cadad54",
    "0x7fcd58c2d53d980b247f1612fdba93e9a76193e6",
    "..."
  ]
}