{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949865,-0.312659,0.000000,0.000000,0.174783,-0.530996,0.829153,0.000000,-0.258696,0.785924,0.561604,0.000000,-1651742.364488,5018032.974549,3561772.739254,1],    "boundingVolume": {    "region": [1.888702,0.596221,1.888873,0.596426,0.000000,20.275392]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1401299.b3dm"}}}