{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898100,-0.439792,0.000000,0.000000,0.284278,-0.580523,0.763007,0.000000,-0.334620,0.683328,0.648916,0.000000,-2137267.284200,4364515.136327,4116976.644781,1],    "boundingVolume": {    "region": [2.026097,0.706048,2.026230,0.706271,0.000000,10.642843]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1820378.b3dm"}}}