{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949611,-0.313430,0.000000,0.000000,0.175031,-0.530298,0.829547,0.000000,-0.259458,0.786091,0.561019,0.000000,-1656608.004307,5019087.029729,3558050.970954,1],    "boundingVolume": {    "region": [1.889550,0.595575,1.889649,0.595657,0.000000,8.737684]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/4_1366492.b3dm"}}}