{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897959,-0.440079,0.000000,0.000000,0.282451,-0.576327,0.766857,0.000000,-0.336541,0.686696,0.644352,0.000000,-2149495.883644,4385938.472127,4087935.610964,1],    "boundingVolume": {    "region": [2.026420,0.700141,2.026546,0.700210,0.000000,8.201957]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/0_883497.b3dm"}}}