{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950101,-0.311941,0.000000,0.000000,0.174372,-0.531096,0.829175,0.000000,-0.258109,0.786141,0.561571,0.000000,-1647995.526680,5019415.213329,3561562.099832,1],    "boundingVolume": {    "region": [1.887963,0.596179,1.888101,0.596388,0.000000,8.817862]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1432875.b3dm"}}}