{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950208,-0.311617,0.000000,0.000000,0.174171,-0.531096,0.829218,0.000000,-0.257854,0.786270,0.561508,0.000000,-1646366.120810,5020238.101238,3561158.562193,1],    "boundingVolume": {    "region": [1.887621,0.596102,1.887759,0.596311,0.000000,8.813532]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1432331.b3dm"}}}