EVENT_JSON:{"standard":"nep171","version":"nft-1.0.0","event":"nft_mint","data":[{"owner_id":"muur.testnet","token_ids":["Test elf token mint #50"]}]} EVENT_JSON:{"standard":"nep171","version":"nft-1.0.0","event":"nft_mint","data":[{"owner_id":"muur.testnet","token_ids":["Test elf token mint #51"]}]}