{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948992,-0.315301,0.000000,0.000000,0.175894,-0.529404,0.829935,0.000000,-0.261130,0.785950,0.560441,0.000000,-1667279.552160,5018172.704979,3554378.851765,1],    "boundingVolume": {    "region": [1.891523,0.594823,1.891617,0.595013,0.000000,10.314951]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/28_1076406.b3dm"}}}