{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949883,-0.312606,0.000000,0.000000,0.174689,-0.530809,0.829292,0.000000,-0.258696,0.786072,0.561398,0.000000,-1651739.919741,5018972.901173,3560458.141065,1],    "boundingVolume": {    "region": [1.888646,0.595971,1.888817,0.596176,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1350176.b3dm"}}}