{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894974,-0.446117,0.000000,0.000000,0.284255,-0.570256,0.770718,0.000000,-0.342891,0.687887,0.639717,0.000000,-2190005.604069,4393460.197620,4058448.993215,1],    "boundingVolume": {    "region": [2.033152,0.694067,2.033286,0.694192,0.000000,50.554441]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/9_979965.b3dm"}}}