{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948867,-0.315677,0.000000,0.000000,0.176358,-0.530099,0.829393,0.000000,-0.261269,0.785328,0.561247,0.000000,-1668169.994010,5014219.100415,3559502.418019,1],    "boundingVolume": {    "region": [1.891897,0.595839,1.892035,0.595945,0.000000,8.812064]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_1147957.b3dm"}}}