{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943870,-0.330316,0.000000,0.000000,0.184109,-0.526086,0.830264,0.000000,-0.273675,0.782020,0.559952,0.000000,-1747373.028291,4993075.293643,3551270.601543,1],    "boundingVolume": {    "region": [1.907380,0.594238,1.907490,0.594418,0.000000,8.809327]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1315833.b3dm"}}}