{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950500,-0.310724,0.000000,0.000000,0.173921,-0.532024,0.828675,0.000000,-0.256945,0.785992,0.562312,0.000000,-1640568.098655,5018481.509799,3566272.048457,1],    "boundingVolume": {    "region": [1.886702,0.597130,1.886799,0.597229,0.000000,8.662907]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1325585.b3dm"}}}