ERC721_CONTRACT_ADDRESS=<VideoCoin NFT contract address>
ERC721_CONTRACT_KEY=<Contract owner address. It should be in the following form
'{"address": "xxxxxxxxxxxx", "crypto": {"cipher": "aes-128-ctr", "cipherparams": {"iv": "xxxxxxxxxxxxxxxxx"}, "ciphertext": "xxxxxxxxxxxxxxxxxxxxxxxx", "kdf": "scrypt", "kdfparams": {"dklen": 32, "n": 262144, "r": 1, "p": 8, "salt": "xxxxxxxxxxxxxxx"}, "mac": "xxxxxxxxxxxxx"}, "id": "xxxxxxxxxxxxx", "version": 3}'>
ERC721_CONTRACT_KEY_PASS=<Password for ERC721_CONTRACT_KEY>
BLOCKCHAIN_SCAN_FROM=<block number of blockchain where contract activity started>
BLOCKCHAIN_URL=<Json-RPC End point for blockchain access>
BLOCKCHAIN_ID=<Blockchain ID>
DBURI="host=postgres port=5432 dbname=marketplace sslmode=disable"
NFTSTORAGE_API_KEY=<NFT Storage API key>
STORAGE_BACKEND=nftstorage
GOOGLE_APPLICATION_CREDENTIALS=<GCP Bucket access credentials json file path>