{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898456,-0.439064,0.000000,0.000000,0.283947,-0.581039,0.762737,0.000000,-0.333947,0.683355,0.649234,0.000000,-2132973.728900,4364695.058413,4118998.471441,1],    "boundingVolume": {    "region": [2.025303,0.706540,2.025404,0.706614,0.000000,10.205046]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1819154.b3dm"}}}