{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949899,-0.312558,0.000000,0.000000,0.174682,-0.530878,0.829250,0.000000,-0.258643,0.786045,0.561460,0.000000,-1651405.007720,5018798.486162,3560856.645440,1],    "boundingVolume": {    "region": [1.888596,0.596047,1.888767,0.596252,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1434876.b3dm"}}}