{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896572,-0.442898,0.000000,0.000000,0.283390,-0.573675,0.768497,0.000000,-0.339427,0.687113,0.642390,0.000000,-2167910.162930,4388565.480337,4075457.210044,1],    "boundingVolume": {    "region": [2.029541,0.697538,2.029709,0.697688,0.000000,41.453966]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_500386.b3dm"}}}