{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943851,-0.330371,0.000000,0.000000,0.184561,-0.527281,0.829405,0.000000,-0.273435,0.781188,0.561230,0.000000,-1745847.349593,4987782.939930,3559393.959570,1],    "boundingVolume": {    "region": [1.907445,0.595814,1.907541,0.595929,0.000000,8.679392]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_1271743.b3dm"}}}