{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943970,-0.330032,0.000000,0.000000,0.184510,-0.527742,0.829123,0.000000,-0.273061,0.781018,0.561648,0.000000,-1743460.186145,4986706.986979,3562052.692326,1],    "boundingVolume": {    "region": [1.907086,0.596319,1.907182,0.596434,0.000000,8.667276]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_132833.b3dm"}}}