{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895732,-0.444594,0.000000,0.000000,0.284115,-0.572413,0.769170,0.000000,-0.341028,0.687076,0.641582,0.000000,-2178123.953166,4388314.074456,4070313.370948,1],    "boundingVolume": {    "region": [2.031456,0.696499,2.031578,0.696617,0.000000,33.651999]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_663253.b3dm"}}}