curl --request GET \
  --url https://api.rated.network/v1/eth/validators/{validator_index_or_pubkey} \
  --header 'Authorization: Bearer <token>'

{
  "activation_eligibility_epoch": 171000,
  "activation_epoch": 169000,
  "exit_epoch": 172000,
  "validator_index": 1,
  "validator_pubkey": "0xb44440543ceef8d77e065c70da15f7b731e56db5457571c465f025e032bbcd263a0990c8749b4ca6ff20d77004466666",
  "withdrawable_epoch": 172256
}