Retrieve detailed information about all active and completed unbonding delegations
for a specific Babylon Baby delegator address with the stake.fish validator.

Unbonding Process:

• Tokens do not earn rewards during unbonding
• Tokens are automatically available after completion time

Entry States:

• Active unbonding: isCompleted = false
• Completed unbonding: isCompleted = true

Balance Fields:

• initialBalance: Original amount when unbonding started
• remainingBalance: Current amount (may be reduced if validator was slashed)