curl --request POST \
  --url https://rpc.quai.network/cyprus1/ \
  --header 'Content-Type: application/json' \
  --data '{
  "jsonrpc": "2.0",
  "method": "txpool_inspect",
  "params": [],
  "id": 1
}'

{
  "jsonrpc": "2.0",
  "result": {
    "pending": {
      "0x1902f834DFB6eC9421783E6333eD99faC9430dc2": {
        "287": "0x0F28EAb7521930d5439B2D94B8548901070eC92D: 9223372036854775807 wei + 21000 gas × 5000000000 wei"
      }
    },
    "queued": {}
  },
  "id": 1
}