{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895900,-0.444256,0.000000,0.000000,0.283924,-0.572569,0.769124,0.000000,-0.340748,0.687163,0.641637,0.000000,-2176337.767407,4388871.872464,4070665.010207,1],    "boundingVolume": {    "region": [2.031085,0.696577,2.031194,0.696684,0.000000,39.250883]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_618941.b3dm"}}}