{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895023,-0.446020,0.000000,0.000000,0.284373,-0.570649,0.770384,0.000000,-0.342666,0.687624,0.640120,0.000000,-2188573.681495,4391789.116252,4061012.020650,1],    "boundingVolume": {    "region": [2.033043,0.694592,2.033176,0.694716,0.000000,58.735090]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/13_978718.b3dm"}}}