{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943846,-0.330387,0.000000,0.000000,0.184535,-0.527176,0.829477,0.000000,-0.273472,0.781252,0.561122,0.000000,-1746084.213736,4988191.549171,3558709.709408,1],    "boundingVolume": {    "region": [1.907462,0.595684,1.907558,0.595799,0.000000,8.807456]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_1272738.b3dm"}}}