{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898399,-0.439180,0.000000,0.000000,0.283973,-0.580903,0.762831,0.000000,-0.334077,0.683397,0.649123,0.000000,-2133801.951723,4364962.900748,4118290.386101,1],    "boundingVolume": {    "region": [2.025432,0.706393,2.025533,0.706468,0.000000,7.861304]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_1818148.b3dm"}}}