{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898125,-0.439740,0.000000,0.000000,0.283931,-0.579902,0.763608,0.000000,-0.334846,0.683890,0.648207,0.000000,-2138704.082873,4368091.408103,4112465.562697,1],    "boundingVolume": {    "region": [2.026039,0.705116,2.026172,0.705339,0.000000,19.091116]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1844701.b3dm"}}}