post
https://api.fireblocks.io/v1/staking/chains//merge
Merges the source stake account into the destination, consolidating the balance into the destination and closing the source account once complete. Both accounts must be from the same validator provider and of same vault account.. Supported chains: Solana (SOL).
Endpoint Permission: Owner, Admin, Non-Signing Admin, Signer, Approver, Editor.