{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897655,-0.440699,0.000000,0.000000,0.283032,-0.576505,0.766508,0.000000,-0.336861,0.686149,0.644767,0.000000,-2151543.351818,4382452.248642,4090578.712455,1],    "boundingVolume": {    "region": [2.027110,0.700684,2.027237,0.700753,0.000000,8.908386]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_859220.b3dm"}}}