Add new cryptocurrency seed.

post https://example.com/cwallets/private/v1/seed

Used to add a new seed to the system. You can provide empty coin, the system will use that seed for all coins.

Permissions:

Allowed only for the "admin" role.

List of possible error codes:

[400] REQUIRED
- Validation error that indicates which fields are required.
  Provide required field(s).
[400] UNSUPPORTED_COIN
- Indicates that the system does not support the coin
[409] COIN_ALREADY_HAS_SEED
- It means you already add a seed for the coin
[400] INVALID_MNEMONIC_PHRASE
- Indicates that the mnemonic is not valid