{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949075,-0.315051,0.000000,0.000000,0.116181,-0.349990,0.929521,0.000000,-0.292578,0.881374,0.370914,0.000000,-1866962.412769,5624117.787704,2350985.317320,1],    "boundingVolume": {    "region": [1.891253,0.379935,1.891361,0.380051,0.000000,70.268280]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/22_1607.b3dm"}}}