{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949833,-0.312758,0.000000,0.000000,0.174439,-0.529764,0.830013,0.000000,-0.259048,0.786720,0.560326,0.000000,-1653985.062070,5023091.579848,3553646.982841,1],    "boundingVolume": {    "region": [1.888810,0.594646,1.888972,0.594912,0.000000,9.097947]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/12_1376790.b3dm"}}}