Explorer for the subgraph can be found here: https://thegraph.com/explorer/subgraph/ehsueh/ethunes
** Metadata JSON Format ** Follow OpenSea's standard.
{
"name":"Jingle Bell",
"external_uri":"https://ethunes.com/",
"description":"Jingle Bell Jingle Bell Jingle All the Way~",
"animation_url":"https://file.video/v/3f8e704a-54c8-4c6c-8414-710facdbe329",
"animation_mime_type":"video/mp4",
"image":"https://ipfs.infura.io/ipfs/QmexCUCf4jJjGQqWknbZeTEVUCYZVeCkEkey8dVY3RCkFy",
"image_mime_type":"image/jpeg"
}