{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943844,-0.330393,0.000000,0.000000,0.184545,-0.527197,0.829462,0.000000,-0.273472,0.781236,0.561145,0.000000,-1746080.660521,4988088.527758,3558854.873602,1],    "boundingVolume": {    "region": [1.907468,0.595711,1.907564,0.595826,0.000000,8.807456]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_1297761.b3dm"}}}