{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893960,-0.448146,0.000000,0.000000,0.288735,-0.575967,0.764784,0.000000,-0.341777,0.681776,0.646816,0.000000,-2182958.895664,4354559.837975,4103613.038457,1],    "boundingVolume": {    "region": [2.035404,0.703321,2.035569,0.703483,0.000000,42.859510]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_1991390.b3dm"}}}