{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898359,-0.439261,0.000000,0.000000,0.284110,-0.581050,0.762668,0.000000,-0.334067,0.683220,0.649315,0.000000,-2133738.750283,4363834.792573,4119510.252649,1],    "boundingVolume": {    "region": [2.025522,0.706645,2.025623,0.706720,0.000000,17.223610]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/8_1819701.b3dm"}}}