{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894755,-0.446557,0.000000,0.000000,0.284500,-0.570046,0.770784,0.000000,-0.343258,0.687777,0.639638,0.000000,-2192349.886591,4392758.581582,4057946.131959,1],    "boundingVolume": {    "region": [2.033643,0.693964,2.033777,0.694089,0.000000,34.686663]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_983776.b3dm"}}}