{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898806,-0.438347,0.000000,0.000000,0.283065,-0.580408,0.763545,0.000000,-0.333758,0.684352,0.648281,0.000000,-2131754.169800,4371041.452602,4112936.346366,1],    "boundingVolume": {    "region": [2.024472,0.705265,2.024638,0.705384,0.000000,8.550842]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1843376.b3dm"}}}