{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943080,-0.332567,0.000000,0.000000,0.186156,-0.527893,0.828659,0.000000,-0.275002,0.779840,0.562337,0.000000,-1755861.819655,4979202.403959,3566427.051503,1],    "boundingVolume": {    "region": [1.909758,0.597169,1.909883,0.597249,0.000000,8.700175]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/2_1286296.b3dm"}}}