{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950854,-0.309640,0.000000,0.000000,0.173253,-0.532030,0.828811,0.000000,-0.256092,0.786415,0.562111,0.000000,-1635117.775138,5021174.621767,3564992.768148,1],    "boundingVolume": {    "region": [1.885528,0.596852,1.885694,0.597021,0.000000,8.758258]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/4_1388068.b3dm"}}}