{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949121,-0.314910,0.000000,0.000000,0.176119,-0.530813,0.828987,0.000000,-0.260506,0.785151,0.561850,0.000000,-1663303.800419,5013098.125990,3563330.696498,1],    "boundingVolume": {    "region": [1.891108,0.596609,1.891209,0.596631,0.000000,8.449129]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/10_1420835.b3dm"}}}