{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857958,-0.513720,0.000000,0.000000,0.262793,-0.438888,0.859254,0.000000,-0.440637,0.735903,0.514088,0.000000,-2812930.891347,4697847.800890,3259855.686466,1],    "boundingVolume": {    "region": [2.110229,0.539881,2.110393,0.540006,0.000000,21.549566]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/3_330965.b3dm"}}}