{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951995,-0.306113,0.000000,0.000000,0.169623,-0.527519,0.832437,0.000000,-0.254292,0.790836,0.556699,0.000000,-1623596.030303,5049299.072098,3530600.182278,1],    "boundingVolume": {    "region": [1.881850,0.590364,1.881957,0.590451,0.000000,8.509643]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/28/27_1322866.b3dm"}}}