{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894820,-0.446427,0.000000,0.000000,0.284416,-0.570083,0.770787,0.000000,-0.343160,0.687831,0.639633,0.000000,-2191725.654110,4393098.075041,4057916.016698,1],    "boundingVolume": {    "region": [2.033498,0.693958,2.033632,0.694083,0.000000,60.995653]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/8_982836.b3dm"}}}