{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949833,-0.312756,0.000000,0.000000,0.174818,-0.530917,0.829196,0.000000,-0.258790,0.785940,0.561540,0.000000,-1652345.117664,5018129.199326,3561360.353368,1],    "boundingVolume": {    "region": [1.888804,0.596143,1.888976,0.596348,0.000000,29.576520]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/3_1438562.b3dm"}}}