{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950542,-0.310596,0.000000,0.000000,0.173482,-0.530919,0.829475,0.000000,-0.257090,0.786793,0.561126,0.000000,-1641485.864975,5023569.383549,3558729.222108,1],    "boundingVolume": {    "region": [1.886559,0.595688,1.886674,0.595802,0.000000,8.799150]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1424371.b3dm"}}}