{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949860,-0.312676,0.000000,0.000000,0.174737,-0.530824,0.829273,0.000000,-0.258747,0.786035,0.561426,0.000000,-1652070.040510,5018734.043115,3560640.441842,1],    "boundingVolume": {    "region": [1.888719,0.596006,1.888890,0.596211,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1434435.b3dm"}}}