{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943115,-0.332467,0.000000,0.000000,0.186294,-0.528465,0.828263,0.000000,-0.274787,0.779494,0.562922,0.000000,-1754491.068694,4977001.496066,3570146.708054,1],    "boundingVolume": {    "region": [1.909652,0.597877,1.909777,0.597957,0.000000,8.816659]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1284825.b3dm"}}}