{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896562,-0.442918,0.000000,0.000000,0.283351,-0.573564,0.768594,0.000000,-0.339486,0.687193,0.642273,0.000000,-2168284.916605,4389074.787261,4074714.316195,1],    "boundingVolume": {    "region": [2.029563,0.697386,2.029732,0.697535,0.000000,44.451716]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_500315.b3dm"}}}