{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944001,-0.329941,0.000000,0.000000,0.184317,-0.527351,0.829414,0.000000,-0.273082,0.781321,0.561216,0.000000,-1743595.928553,4988634.960585,3559304.112027,1],    "boundingVolume": {    "region": [1.906990,0.595797,1.907086,0.595912,0.000000,8.660504]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_1297894.b3dm"}}}