{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944026,-0.329871,0.000000,0.000000,0.184314,-0.527469,0.829340,0.000000,-0.273000,0.781271,0.561326,0.000000,-1743068.219712,4988315.750255,3560005.170493,1],    "boundingVolume": {    "region": [1.906916,0.595930,1.907011,0.596045,0.000000,8.773497]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1298384.b3dm"}}}