{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949684,-0.313208,0.000000,0.000000,0.115469,-0.350116,0.929562,0.000000,-0.290879,0.881980,0.370809,0.000000,-1856122.809233,5627983.251580,2350322.349310,1],    "boundingVolume": {    "region": [1.889297,0.379790,1.889435,0.379971,0.000000,15.577781]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_74531.b3dm"}}}