{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949979,-0.312314,0.000000,0.000000,0.174671,-0.531303,0.828980,0.000000,-0.258356,0.785853,0.561861,0.000000,-1649573.963205,5017581.683238,3563402.077980,1],    "boundingVolume": {    "region": [1.888355,0.596529,1.888493,0.596738,0.000000,8.733910]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/4_1334496.b3dm"}}}