{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950487,-0.310765,0.000000,0.000000,0.173505,-0.530671,0.829629,0.000000,-0.257278,0.786894,0.560897,0.000000,-1642684.180214,5024214.419082,3557275.187653,1],    "boundingVolume": {    "region": [1.886744,0.595410,1.886844,0.595527,0.000000,8.794034]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/10_1451376.b3dm"}}}