Signing control

{
  "policyName": "Allow <USER_ID> to sign transactions with <WALLET_ID>",
  "effect": "EFFECT_ALLOW",
  "consensus": "approvers.any(user, user.id == '<USER_ID>')",
  "condition": "activity.action == 'SIGN' && wallet.id == '<WALLET_ID>'"
}

{
  "policyName": "Allow <USER_ID> to sign transactions with <WALLET_ACCOUNT_ADDRESS>",
  "effect": "EFFECT_ALLOW",
  "consensus": "approvers.any(user, user.id == '<USER_ID>')",
  "condition": "activity.action == 'SIGN' && wallet_account.address == '<WALLET_ACCOUNT_ADDRESS>'"
}

{
  "policyName": "Allow <USER_ID> to sign transactions with <PRIVATE_KEY_ID>",
  "effect": "EFFECT_ALLOW",
  "consensus": "approvers.any(user, user.id == '<USER_ID>')",
  "condition": "activity.action == 'SIGN' && private_key.id == '<PRIVATE_KEY_ID>'"
}