{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950008,-0.312227,0.000000,0.000000,0.174520,-0.531011,0.829199,0.000000,-0.258353,0.786086,0.561536,0.000000,-1649549.981063,5019064.363421,3561338.434287,1],    "boundingVolume": {    "region": [1.888247,0.596138,1.888418,0.596344,0.000000,16.131921]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1438396.b3dm"}}}