{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857933,-0.513762,0.000000,0.000000,0.263071,-0.439303,0.858957,0.000000,-0.440519,0.735624,0.514587,0.000000,-2812182.385245,4696076.946680,3263030.071931,1],    "boundingVolume": {    "region": [2.110278,0.540464,2.110442,0.540589,0.000000,30.492566]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_400741.b3dm"}}}