{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950859,-0.309625,0.000000,0.000000,0.173243,-0.532030,0.828813,0.000000,-0.256079,0.786421,0.562108,0.000000,-1635039.879510,5021215.060246,3564971.680432,1],    "boundingVolume": {    "region": [1.885512,0.596847,1.885677,0.597017,0.000000,8.758258]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/4_1388029.b3dm"}}}