{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951693,-0.307052,0.000000,0.000000,0.170476,-0.528381,0.831716,0.000000,-0.254849,0.789894,0.557781,0.000000,-1627160.374269,5043304.420954,3537474.383764,1],    "boundingVolume": {    "region": [1.882836,0.591666,1.882944,0.591754,0.000000,4.926621]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/38/43_1321897.b3dm"}}}