{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950015,-0.312205,0.000000,0.000000,0.174501,-0.530992,0.829215,0.000000,-0.258340,0.786107,0.561512,0.000000,-1649469.573340,5019200.897736,3561184.289224,1],    "boundingVolume": {    "region": [1.888224,0.596109,1.888395,0.596314,0.000000,13.518449]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1437305.b3dm"}}}