PAYGRID_API_KEY=123e4567-e89b-12d3-a456-426614174000 # replace with your actual API key
OPERATOR_ADDRESS=0x0000000000000000000000000000000000000000 # replace with your actual operator address
TREASURY_ADDRESS=0x0000000000000000000000000000000000000000 # replace with your actual treasury address
TEST_PRIVATE_KEY=0x0000000000000000000000000000000000000000000000000000000000000000 # replace with your actual test private key for signing payment intents