{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898166,-0.439656,0.000000,0.000000,0.281142,-0.574341,0.768825,0.000000,-0.337087,0.688631,0.641997,0.000000,-2152961.637880,4398253.368728,4072953.950197,1],    "boundingVolume": {    "region": [2.025965,0.697071,2.026058,0.697128,0.000000,25.371084]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/6_752808.b3dm"}}}