{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949893,-0.312574,0.000000,0.000000,0.174710,-0.530933,0.829209,0.000000,-0.258643,0.786001,0.561521,0.000000,-1651405.754729,5018522.257199,3561242.990379,1],    "boundingVolume": {    "region": [1.888612,0.596120,1.888783,0.596325,0.000000,20.649493]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1437708.b3dm"}}}