{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949884,-0.312603,0.000000,0.000000,0.174725,-0.530925,0.829210,0.000000,-0.258667,0.785995,0.561519,0.000000,-1651559.330140,5018481.286737,3561229.597465,1],    "boundingVolume": {    "region": [1.888642,0.596118,1.888814,0.596323,0.000000,20.649493]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1437591.b3dm"}}}