{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949868,-0.312651,0.000000,0.000000,0.174742,-0.530886,0.829232,0.000000,-0.258714,0.786003,0.561486,0.000000,-1651857.317159,5018530.707593,3561023.131533,1],    "boundingVolume": {    "region": [1.888693,0.596078,1.888864,0.596284,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1436217.b3dm"}}}