{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897478,-0.441058,0.000000,0.000000,0.285712,-0.581375,0.761821,0.000000,-0.335058,0.681786,0.650310,0.000000,-2140078.131039,4354694.481999,4125846.498856,1],    "boundingVolume": {    "region": [2.027498,0.707879,2.027650,0.708107,0.000000,6.712632]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/1_1796392.b3dm"}}}