{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949608,-0.313439,0.000000,0.000000,0.175043,-0.530317,0.829532,0.000000,-0.259461,0.786075,0.561041,0.000000,-1656622.582658,5018982.317471,3558190.945719,1],    "boundingVolume": {    "region": [1.889559,0.595602,1.889658,0.595683,0.000000,8.737684]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/4_1366184.b3dm"}}}