{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897733,-0.440539,0.000000,0.000000,0.282885,-0.576465,0.766593,0.000000,-0.336776,0.686285,0.644666,0.000000,-2151000.192791,4383320.373089,4089938.469571,1],    "boundingVolume": {    "region": [2.026932,0.700552,2.027059,0.700621,0.000000,50.720461]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_858000.b3dm"}}}