{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897717,-0.440572,0.000000,0.000000,0.282903,-0.576448,0.766598,0.000000,-0.336804,0.686278,0.644659,0.000000,-2151176.464534,4383275.411355,4089894.244609,1],    "boundingVolume": {    "region": [2.026969,0.700543,2.027095,0.700612,0.000000,50.720461]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_857830.b3dm"}}}