{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949879,-0.312618,0.000000,0.000000,0.174631,-0.530611,0.829431,0.000000,-0.258750,0.786202,0.561191,0.000000,-1652082.904642,5019798.651792,3559143.516370,1],    "boundingVolume": {    "region": [1.888668,0.595740,1.888821,0.595908,0.000000,16.978513]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1352846.b3dm"}}}