{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949873,-0.312635,0.000000,0.000000,0.174729,-0.530877,0.829240,0.000000,-0.258704,0.786015,0.561474,0.000000,-1651792.775354,5018607.235102,3560945.740158,1],    "boundingVolume": {    "region": [1.888677,0.596064,1.888848,0.596269,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1435492.b3dm"}}}