{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898152,-0.439685,0.000000,0.000000,0.281124,-0.574257,0.768894,0.000000,-0.337140,0.688683,0.641913,0.000000,-2153299.914230,4398582.847885,4072422.860456,1],    "boundingVolume": {    "region": [2.025998,0.696963,2.026091,0.697019,0.000000,37.005327]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_751854.b3dm"}}}