{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950859,-0.309623,0.000000,0.000000,0.172858,-0.530851,0.829649,0.000000,-0.256339,0.787222,0.560867,0.000000,-1636686.652261,5026303.811411,3557089.303890,1],    "boundingVolume": {    "region": [1.885520,0.595323,1.885666,0.595543,0.000000,8.800975]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1448713.b3dm"}}}