{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949038,-0.315160,0.000000,0.000000,0.116254,-0.350073,0.929480,0.000000,-0.292666,0.881302,0.371016,0.000000,-1867525.716357,5623656.784378,2351636.226909,1],    "boundingVolume": {    "region": [1.891368,0.380046,1.891476,0.380161,0.000000,51.109123]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/23_2941.b3dm"}}}