{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949429,-0.313983,0.000000,0.000000,0.114730,-0.346925,0.930849,0.000000,-0.292007,0.882978,0.367535,0.000000,-1863304.115234,5634302.881510,2329546.435201,1],    "boundingVolume": {    "region": [1.890097,0.376232,1.890266,0.376481,0.000000,8.992902]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/4_29073.b3dm"}}}