curl --request GET \
  --url https://mainnet.mirrornode.hedera.com/api/v1/contracts/results/{transactionIdOrHash}/actions

{
  "actions": [
    {
      "call_depth": 1,
      "call_operation_type": "CALL",
      "call_type": "CALL",
      "caller": "0.0.2",
      "caller_type": "ACCOUNT",
      "from": "0x0000000000000000000000000000000000000065",
      "gas": 50000,
      "gas_used": 50000,
      "index": 0,
      "input": "0x123456",
      "recipient": "0.0.2",
      "recipient_type": "ACCOUNT",
      "result_data": "0x123456",
      "result_data_type": "OUTPUT",
      "timestamp": "1586567700.453054000",
      "value": 50000
    }
  ],
  "links": {
    "next": null
  }
}