{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943223,-0.332160,0.000000,0.000000,0.186269,-0.528941,0.827965,0.000000,-0.274433,0.779300,0.563363,0.000000,-1752236.210856,4975770.402212,3572950.115290,1],    "boundingVolume": {    "region": [1.909316,0.598402,1.909461,0.598499,0.000000,8.729967]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_568690.b3dm"}}}