{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950015,-0.312203,0.000000,0.000000,0.174087,-0.529735,0.830105,0.000000,-0.258618,0.786960,0.560189,0.000000,-1651238.516039,5024616.113486,3552774.765269,1],    "boundingVolume": {    "region": [1.888226,0.594548,1.888390,0.594679,0.000000,17.566301]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_1460515.b3dm"}}}