{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943846,-0.330387,0.000000,0.000000,0.184539,-0.527188,0.829469,0.000000,-0.273469,0.781244,0.561135,0.000000,-1746063.747106,4988141.002020,3558790.059731,1],    "boundingVolume": {    "region": [1.907462,0.595699,1.907557,0.595814,0.000000,8.792426]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_1272525.b3dm"}}}