{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894735,-0.446597,0.000000,0.000000,0.284544,-0.570071,0.770749,0.000000,-0.343273,0.687731,0.639679,0.000000,-2192446.974098,4392462.216614,4058212.679582,1],    "boundingVolume": {    "region": [2.033688,0.694019,2.033821,0.694144,0.000000,50.769754]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_984318.b3dm"}}}