{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898149,-0.439692,0.000000,0.000000,0.281126,-0.574250,0.768899,0.000000,-0.337147,0.688684,0.641908,0.000000,-2153344.694056,4398593.146659,4072388.292019,1],    "boundingVolume": {    "region": [2.026005,0.696955,2.026098,0.697012,0.000000,37.005327]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_751740.b3dm"}}}